User rvidyagovindarajan_1


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Activity by rvidyagovindarajan_1

Score:	184,220 points (ranked #8)
Questions:	870 — All questions by rvidyagovindarajan_1 ›
Answers:	929 (2 chosen as best) — All answers by rvidyagovindarajan_1 ›
Comments:	5
Voted on:	1 question, 0 answers
Gave out:	1 up vote, 0 down votes
Received:	8 up votes, 0 down votes

Recent activity by rvidyagovindarajan_1

dipanjanaalleaecolee

answered Jul 30, 2016

1 answer

Evaluate $\int\Large(\Large\frac{\sin^2x}{\cos^{\Large 14}x})^{\Large\frac{1}{3}} dx$

answered Aug 25, 2015

1 answer

Find the particular solution of the differential equation $ log \bigg( \large\frac{dy}{dx} \bigg) =3x+4y,$ given that $ y=0$ when $x=0$

answered May 17, 2015

1 answer

The differential equation for $y=A\cos\alpha x+B\sin\alpha x,$where A and B are arbitrary constants is\begin{array}{1 1}(A)\;\frac{d^2y}{dx^2}+x^2y=0 & (B)\;\frac{d^2y}{dx^2}+\alpha^2y=0\\(C)\;\frac{d^2y}{dx^2}+y=0 & (D)\;\frac{d^2y}{dx^2}-y=0\end{array}

answer edited Oct 1, 2014

1 answer

integrate the function:- $cos^{3}(x)\; ?$

answer edited Sep 22, 2014

1 answer

Write the statement "It is necessary to have a password to log on to the server." in the form if $p$ then $q$.

answered Aug 16, 2014

1 answer

Write the converse and contra positive of the statement "If it is hot outside then you feel thirsty."

answer edited Aug 16, 2014

1 answer

Write the converse and contra positive of the statement "I go to the beach whenever it is sunny day."

answer edited Aug 16, 2014

1 answer

Write the converse and contra positive of the statement "A positive integer is prime only if it has no divisors other than 1 and itself."

answered Aug 14, 2014

1 answer

Write the negation of the statement " There exists a number $x$ such that 0<$x$<1."

answered Aug 4, 2014

1 answer

Write the negation of the statement " For every real number $x$, either $x$ is >1 or <1."

answered Aug 4, 2014

1 answer

Write the negation of "All cats scratch."

answered Aug 4, 2014

1 answer

Write the negation of "For every positive real number $x$, the number $x+1$ is also positive."

answered Aug 4, 2014

1 answer

Write the negation of "For every positive real number $x$, the num ber $x+1$ is also positive."

asked Aug 4, 2014

0 answers

State whether the statement "$\sqrt {11}$ is a rational number." is true or false. Give reason.

answered Jul 29, 2014

1 answer

State whether the statement "If $x,\:y$ are integers such that $x>y$, then $-x<-y$" is true or false. Give reason.

answered Jul 29, 2014

1 answer

State whether the statement "Circle is a particular case of an ellipse." is true or false. Give reason.

answered Jul 29, 2014

1 answer

State whether the statement "The centre of a circle bisects each chord of the circle." is true or false. Give reason.

answered Jul 29, 2014

1 answer

State whether the statement "Each radius of a circle is a chord of the circle." is true or false. Give reason.

answered Jul 29, 2014

1 answer

By giving counter example show that the statement "The equation $x^2-1=0$ does not have a root lying between $0$ and $2$." is false.

answered Jul 29, 2014

1 answer

By giving counter example show that the statement "If all the angles of a triangle are equal then the triangle is an obtuse angled triangle" is not true.

answered Jul 29, 2014

1 answer

Show that the statement "If $x$ is an integer and $x^2$ is even, then $x$ is also even." using contrapositive method.

answered Jul 26, 2014

1 answer

Show that the statement "For any real numbers $a$ and $b$, $a^2=b^2$ implies that $a=b$" is not true by giving counter example.

answered Jul 26, 2014

1 answer

Show that the statement " If $x$ is real number such that $x^3+4x=0$, then $x$ is 0." is true using contra positive method.

answer edited Jul 26, 2014

1 answer

Show that the statement " If $x$ is real number such that $x^3+4x=0$, then $x$ is 0." is true using contradiction method.

answer edited Jul 26, 2014

1 answer

Show that the statement " If $x$ is real number such that $x^3+4x=0$, then $x$ is 0." is true using direct method.

answered Jul 26, 2014

1 answer

Write the converse and contra positive statements of the statement "You cannot comprehend geometry if you do not know how to reason deductively."

answer edited Jul 25, 2014

1 answer

For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral bisecyt then it is a parallelogram" contra positive or converse?

answer edited Jul 22, 2014

1 answer

For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you have winter clothes then you live in Delhi" contra positive or converse?

answer edited Jul 22, 2014

1 answer

For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral do not bisect then it is not a parallelogram" contra positive or converse?

answer edited Jul 22, 2014

1 answer

For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you do not have winter clothes then you do not live in Delhi" contra positive or converse?

answer edited Jul 22, 2014

1 answer

Write the statement "To get 'A' in the class it is necessary that you do all the exercises of the book." in 'if-then' form.

answered Jul 22, 2014

1 answer

Write the statement "A quadrilateral is a parallelogram if its diagonals bisect each other" in 'if-then' form.

answered Jul 22, 2014

1 answer

Write the statement " The banana tree will bloom if it stays warm for a month.' in 'if-then' form

answered Jul 22, 2014

1 answer

Write the statement "You get a job implies that your credentials are good" in 'if-than' form.

answered Jul 22, 2014

1 answer

Write the converse and contra positive statement of the statement " If the two lines are parallel then they do not intersect in the same plane."

answer edited Jul 21, 2014

1 answer

Write the converse and contra positive statements of the statement "Something cold implies that it has low temperature."

answer edited Jul 21, 2014

1 answer

Write the converse and contra positive statements of the statement "$x$ is an even number implies that $x$ is divisible by $4$.

answered Jul 21, 2014

1 answer

Write the contrapositive and converse of the statement: "If $x$ is prime then $x$ is odd."

answered Jul 21, 2014

1 answer

Rewrite the the statement " $If\: a\:natural\:number\:is\:odd,\: then\:its\:square\:is\:also\:odd."$ in five different ways conveying the same meaning.

answered Jul 21, 2014

1 answer

$\lim\limits_{x\to 0}\large\frac{\tan x-\sin x}{x^3}$=

answer edited Jul 19, 2014

1 answer

State whether the 'or' in the statement "To apply for a driving licence, you should have a ration card or a passport." is inclusive or or exclusive or. Give reason.

answer edited Jul 16, 2014

1 answer

State whether 'or' used in the statement " All integers are positive or negative" is inclusive or or exclusive or. Give reason.

answer edited Jul 16, 2014

1 answer

State whether 'or' used in the statement given "Sun rises or Moon sets" is exclusive or inclusive.

answer edited Jul 16, 2014

1 answer

Check whether the two statements given are negation of each other or not. Give reason " $p: x+y=y+x$ is true for every real number $x\:\:and\:\:y$. $q:$ There exists real numbers $x\:\:and\:\:y$ for which $x+y=y+x$.

answered Jul 16, 2014

1 answer

Identify the quantifier and and write the negation of the statement "There exists a capital for every state in India."

answered Jul 16, 2014

1 answer

Identify the quantifier and and write the negation of the statement "For every real number $x, \:\:x$ is less that $x+1$."

answered Jul 16, 2014

1 answer

Identify the quantifier and write the negation of the statement "There exists a number which is equal to its square."

answered Jul 16, 2014

1 answer

Identify the connecting word and and write the components of the statement "$x=2\:\:and\:\:x=3$ are the roots of the equation $3x^2-x-10=0$."

answered Jul 16, 2014

1 answer

Identify the connecting word and and write the components of the statement "The sand heats up quickly in the Sun and does not cool down fast at night"

answered Jul 16, 2014

1 answer

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