Write the coefficients of $x^2$ in each of the following :
$(i)$ $\frac{\pi}{2} x^{2}+x$ $ (ii)$ $\sqrt{2} x-1$
$\frac{\pi}{2}$ and $0$
$\pi $ and $0$
$2$ and $0$
$\frac{\pi}{2}$ and $\pi $
Factorise : $x^{3}+13 x^{2}+32 x+20$
Write the following cubes in expanded form : $(2 x+1)^{3}$
Verify whether the following are zeroes of the polynomial, indicated against them.
$p(x)=lx+m,\,\, x=-\,\frac{m}{l}$
Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given : $\boxed{\rm {Area}\,:25{a^2} - 35a + 12}$
Find the value of the polynomial $5x -4x^2+ 3$ at $x = 2$.