Recent questions tagged easy

What type of set is "The set of poor students of a class"?

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

Find the value of $\phi'$

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

Find the domain of $sin(log(\large\frac{\sqrt{4-x^2}}{1-x}))$

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

If $n(A\times B)=8, $ then how many possible values are there for $n(A)?$

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

Which of the following pairs of functions are equal ?

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

What type of set is "The collection of novels written by Munshi Premchand" ?

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

If $f:R\rightarrow R$ is such that $f(x+y)=f(x).f(y)$, then $f(0)$ = ?

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

If function $f(x)$ is given by
$\small\left|\begin {array} {c,c,c} -cos(x+x^2) & -sin(x+x^2) & cos(x+x^2)\\sin(x^2-x) & -cos(x^2-x) & sin(x^2-x)\\sin2x &0 &sin2x^2 \end {array}\right|$, then find $f(0)$

asked May 30, 2013 by rvidyagovindarajan_1

1 answer

Discuss the continuity of the following functions $(c)\;f(x)=\sin x.\cos x$

asked May 28, 2013 by sreemathi.v

1 answer

Discuss the continuity of the following functions $(b)\;f(x)=\sin x-\cos x$

asked May 28, 2013 by sreemathi.v

1 answer

Discuss the continuity of the following functions $(a)\;f(x)=\sin x+\cos x$

asked May 28, 2013 by sreemathi.v

1 answer

What is range of $f(x)=^{7-x}P_{x-3}$

asked May 28, 2013 by rvidyagovindarajan_1

1 answer

If $f:[1,\infty )\rightarrow\:[2,\infty)$ is defined as $f(x)=x+\large\frac{1}{x}$ then find $f^{-1}(x)$.

asked May 27, 2013 by rvidyagovindarajan_1

1 answer

If $f(x)=x^n$, $n\in N$ and $gof(x)=ng(x)$, then $g(x)$ = ?

asked May 27, 2013 by rvidyagovindarajan_1

1 answer

If $f:Z\rightarrow Z $ is defined as $f(x)=x^2+ax+b$ then the values of $a$ and $b$ are ?

asked May 27, 2013 by rvidyagovindarajan_1

1 answer

If $f:R\rightarrow R$ is defined as $f(x)=6^x+6^{|x|}$ then what type of function is $f$ ?

asked May 25, 2013 by rvidyagovindarajan_1

1 answer

If $f(X)=\large\frac{kx}{1+x}$, $x\neq1$ and $fof(x)=x$, then find $k$.

asked May 25, 2013 by rvidyagovindarajan_1

1 answer

If $A=\{-1,0,1\}$ and $f:A\rightarrow A$ is defined as $f(x)=x^2$, then what type of function is $f$ ?

asked May 25, 2013 by rvidyagovindarajan_1

1 answer

If $\overrightarrow{a}=\hat i+\hat j+2\hat k\;and\;\overrightarrow{b}=2\hat i+\hat j-2\hat k,$then find the unit vector in the direction of $\;2\overrightarrow{ a}- \overrightarrow{b}$

asked May 24, 2013 by meena.p

1 answer

If $f:R\rightarrow R$ is defined as $f(x)=x^2+1$ then $f^{-1}(x)$ = ?

asked May 24, 2013 by rvidyagovindarajan_1

1 answer

If $f:R\rightarrow R$ is defined as $f(x)=3x-5$, then $f^{-1}(x)$ = ?

asked May 24, 2013 by rvidyagovindarajan_1

1 answer

In the following cases,find the distance of each of the given points from the corresponding given plane (d)Point(-6,0,0),Plane $2x-3y+6z-2=0$

asked May 23, 2013 by rvidyagovindarajan_1

1 answer

Find the $\perp$ distance of the point (2,3,-5) from the plane $x+2y-2z-9=0$

asked May 22, 2013 by rvidyagovindarajan_1

1 answer

Find the $\perp$ distance of the point (3,-2,1) from the plane $2x-y+2z+3=0$

asked May 22, 2013 by rvidyagovindarajan_1

1 answer

Determine whether the given planes are parallel or perpendicular, and in case they are neither, then find the angles between them.$(e)\; 4x + 8y + z -8 = 0 $ and $ y + z -4 =0$

asked May 22, 2013 by rvidyagovindarajan_1

1 answer

Determine whether the given planes are parallel or perpendicular, and in case they are neither ,then find the angles between them. $(d)\; 2x -y + 3z -1 = 0 \: and\: 2x -y + 3z + 3 = 0 $

asked May 22, 2013 by rvidyagovindarajan_1

1 answer

Determine whether the given planes are parallel or perpendicular, and in case they are neither, then find the angles between them. $(c)\; 2x -2y + 4z + 5 = 0$ and $3x -3y + 6z - 1 = 0 $

asked May 22, 2013 by rvidyagovindarajan_1

1 answer