Find the remainder when $x^{3}+3 x^{2}+3 x+1$ is divided by $x$.

Find the zero of the polynomial : $p(x) = 3x -2$

Factorise of the following :  $8 a^{3}-b^{3}-12 a^{2} b+6 a b^{2}$

Find the degree of the polynomials given  : $x^{5}-x^{4}+3$

Verify whether the following are zeroes of the polynomial, indicated against them.

$p(x)=lx+m,\,\, x=-\,\frac{m}{l}$

Classify the following as linear, quadratic and cubic polynomials :

$(i)$ $1+x$

$(ii)$ $3 t$

$(iii)$ $r^{2}$

$(iv)$ $7 x^{3}$