Check whether $p(x)$ is a multiple of $g(x)$ or not :

$p(x)=x^{3}-5 x^{2}+4 x-3, \quad g(x)=x-2$

Evaluate the following products without multiplying directly

$84 \times 79$

If $x+2 a$ is a factor of $x^{5}-4 a^{2} x^{3}+2 x+2 a+3,$ find $a$

Classify the following as a constant, linear,quadratic and cubic polynomials:

$3$

Zero of the polynomial $p(x)=2 x+5$ is