Which of the following expressions is a polynomial, state the reason ? If an expression is polynomial, state whether it is a polynomial in one variable or not

$x^{2}+y^{2}+z^{2}+2 x y+2 y z+2 z x$

Vedclass pdf generator app on play store
Vedclass iOS app on app store

Polynomial in three variables

Similar Questions

On dividing $p(x)=2 x^{3}-3 x^{2}+a x-3 a+9$ by $(x+1),$ if the remainder is $16,$ then find the value of $a$. Then, find the remainder on dividing $p(x)$ by $x+2$

Without actually calculating the cubes, find the value of :

$(0.2)^{3}-(0.3)^{3}+(0.1)^{3}$

Factorise

$6 x^{3}-23 x^{2}+29 x-12$

Expand

$\left(\frac{2 x}{3}+\frac{4 y}{5}\right)\left(\frac{2 x}{3}-\frac{4 y}{5}\right)$

Factorise

$25 x^{2}+25 x+6$