Write the degree of each of the following polynomials
$x^{8}-6561$
$10$
$14$
$8$
$12$
The value of $249^{2}-248^{2}$ is
Factorise :
$x^{3}+x^{2}-4 x-4$
Find the value of the polynomial $3 x^{3}-4 x^{2}+7 x-5,$ when $x=-3$
Find the value of each of the following polynomials at the indicated value of variables
$p(t)=5 t^{2}-11 t+7$ at $t=a$
Is $x+1$ is a factor of $4 x^{3}+7 x^{2}-2 x-5$ or not ?
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