Zero of the zero polynomial is
Not defined
Any real number
$0$
$1$
Evaluate
$(421)^{2}$
The polynomial $p(x)=x^{4}-2 x^{3}+3 x^{2}-a x+3 a-7$ when divided by $x+1$ leaves the remainder $19 .$ Find the values of $a .$ Also find the remainder when $p(x)$ is divided by $x+2.$
Expand $:(3 x+7 y)(3 x-7 y)$
If $(x-1)$ is a factor of $x^{3}+7 x^{2}+a x-3,$ then find the value of $a$.
Factorise
$49 x^{2}-35 x+6$