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Recent questions tagged q11
Questions
Find the equation of the lines through the point (3, 2) which make an angle of $45^{\circ}$ with the line $x-2y=3.$
cbse
class11
ch10
straight-lines
bookproblem
misc
sec-c
q11
difficult
asked
May 20, 2014
by
thanvigandhi_1
1
answer
A variable name in certain computer language must be either a alphabet or a alphabet followed by a decimal digit.Total number of different variable names that can exist in that language is equal to
cbse
math
class11
ch7
permutations-and-combinations
additionalproblem
q11
sec-b
medium
asked
May 19, 2014
by
sreemathi.v
1
answer
In how many ways can the letters of the word ASSASSINATION be arranged so that all the S's are together?
cbse
math
class11
bookproblem
ch7
permutations-and-combinations
misc
q11
sec-b
medium
asked
May 14, 2014
by
sreemathi.v
1
answer
Prove that the line through the point $(x_1, y_1)$ and parallel to the line $Ax+By+C=0$ is \[\] $\qquad \qquad A(x-x_1)+B(y-y_1)=0$.
cbse
class11
ch10
straight-lines
bookproblem
exercise10-3
sec-c
q11
difficult
asked
May 13, 2014
by
thanvigandhi_1
1
answer
Prove the following statement by the principle of mathematical induction : \[\] $n^2 < 2^n$ for all natural numbers $n \geq 5$.
cbse
class11
ch4
mathematical-induction
exemplar
q11
asked
May 5, 2014
by
thanvigandhi_1
0
answers
Verify Rolles theorem for the following functions: $(a) \; f(x)=x^2-5x+4\;on \;[0,4]\\ (b) \; f(x)=x(x-1)^2\;on \;[0,1]\\ (c) \; f(x)=x^3-7x^2+16x-12 \;on \;[2,3]\\ (d) \; f(x)=e^x(\sin x- \cos x)\;on \;[\large\frac{\pi}{4},\frac{5 \pi}{4} ] $
cbse
class12
ch5
additionalproblem
q11
asked
May 1, 2014
by
meena.p
0
answers
Prove the following by using the principle of mathematical induction for all $n \in N$ \[\] $ \large\frac{1}{1.2.3}$$+\large\frac{1}{2.3.4}$$+\large\frac{1}{3.4.5}$$+...+\large\frac{1}{n(n+1)(n+2)}$$=\large\frac{n(n+3)}{4(n+1)(n+2)}$
cbse
class11
ch4
mathematical-induction
bookproblem
sec3
exercise-4.1
q11
asked
Apr 30, 2014
by
thanvigandhi_1
1
answer
If $\tan(A+B)=p$ and $\tan(A-B)=q$ then show that $\tan 2A=\large\frac{p+q}{1-pq}$
cbse
math
class11
ch3
trigonometric-functions
exemplar
q11
sec-b
medium
asked
Apr 18, 2014
by
sreemathi.v
1
answer
Prove : $\cos(\large\frac{3\pi}{4}$$+x)-\cos(\large\frac{3\pi}{4}$$-x)=-\sqrt 2\sin x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q11
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the derivative of the following functions ( it is to be understood that a, b, c, d, p, q, r and s are fixed non-zero constants and m and n are integers ) $4\sqrt x - 2$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
misc
p317-318
q11
asked
Apr 12, 2014
by
thanvigandhi_1
1
answer
Find $ (a + b)^4 - (a - b)^4.$ Hence, evaluate $( \sqrt3 + \sqrt2)^4 - (\sqrt 3 - \sqrt 2)^4$.
cl37642
binomial-theorem
cbse
class11
math
ch8
exercise8-1
sec2
binomial-theorem-for-positive-integral-indices
q11
sec-b
medium
asked
Apr 10, 2014
by
balaji.thirumalai
1
answer
If $ y = 5 \cos x - 3 \sin x $ , what is $\large\frac{d^2y}{dx^2} $
cl277
cbse
class12
bookproblem
ch5
sec7
q11
p183
sec-a
easy
math
asked
Apr 10, 2014
by
balaji.thirumalai
1
answer
Find the equations of the hyperbola satisfying the given conditions: Foci: $(0,\pm 13)$ and Conjugate axis of length $24$.
cl37074
cl37072
cl37068
cl37065
cbse
class11
math
conic-sections
hyperbola
exercise11-4
sec4
easy
sec-a
q11
asked
Apr 8, 2014
by
balaji.thirumalai
1
answer
A particles moves with simple harmonic motion in a straight line. In first ${\tau} {s}$ after starting fromrest it travels a distance $a$, and in next ${\tau} {s}$ in travels $2a$ in same direction, then
jeemain
jeemain-2014
physics
q11
medium
asked
Apr 7, 2014
by
meena.p
1
answer
Evaluate the following limits $ \lim\limits_{x \to 1} \large\frac{ax^2+bx+c}{cx^2+bx+a},$$ a+b+c \neq 0$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q11
asked
Apr 3, 2014
by
thanvigandhi_1
1
answer
Find the equation of an ellipse that satisfies the following conditions: Vertices $\;(\pm 13,0)$, Foci $\;(\pm 5,0)$
cl35314
cl35310
cl35306
cl35304
math
cbse
class11
ch11
exercise11-3
conic-sections
ellipse
q11
easy
sec-b
asked
Apr 2, 2014
by
balaji.thirumalai
1
answer
Find the equation of a parabola that satisfies the following condition - Vertex $(0,0)$ and passing through $(2,3)$ and axis is x-axis.
cl35288
cbse
class11
ch11
exercise11-2
parabola
conic-sections
easy
sec-a
math
q11
asked
Apr 1, 2014
by
balaji.thirumalai
1
answer
Find the equation of the circle passing through the points $(2,3)$ and $(-1,1)$ and whose centre is on the line $x-3y-11=0$
cl35230
cbse
class11
ch11
exercise11-1
circle
conic-sections
easy
sec-a
q11
math
asked
Apr 1, 2014
by
balaji.thirumalai
1
answer
A G.P. consists of even number of terms. If the sum of all the numbers is $5$ times the sum of terms occupying the odd places, then find the common ratio.
cbse
class11
ch9
bookproblem
misc
sec-b
difficult
q11
math
sequences-and-series
asked
Mar 30, 2014
by
rvidyagovindarajan_1
1
answer
The relationship between nucleotide triplets and the amino acids is called
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q11
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Which of the following when heated with a mixture of ethanamine and alcoholic potash gives ethyl isocynide?
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q11
easy
asked
Mar 21, 2014
by
thanvigandhi_1
1
answer
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