Tag: maths
Questions Related to maths
State True or False, if the following expression is polynomial in one variable (State reason for your answer):
$y+\dfrac {2}{y}$
State whether true/false:
The following expression is a polynomial in one variable:
$x^{10}+y^3+t^{50}$
If $\displaystyle A=\pi \left ( R^{2}-r^{2} \right )$, then $R$ is equal to
The sum of the reciprocals of $\displaystyle\frac{x+3}{x^2+1}$ and $\displaystyle\frac{x^2-9}{x^2+3}$ is
If $\displaystyle x^{2}-3x+1=0$ then the value of $\displaystyle x-\frac{1}{x}$ is
If $\displaystyle x-\frac{1}{x}=3$; then the value of $\displaystyle \frac{3x^{2}-3}{x^{2}+2x-1}$ is
If $x=2$, $y=3$, then $x^x+y^y$ is equal to
If $\displaystyle x^{2}-11x+1=0 $ then the value of $\displaystyle x+\frac{1}{x}$ is
If $\displaystyle x+\frac{a}{x}=b$ then the value of $\displaystyle \frac{x^{2}+bx+a}{bx^{2}-x^{3}}$ is
If $x<-1$, then $x^2$