Find the square root of $64x^4-16x^3+17x^2-2x+1$

Find the square root of the following expression $4\frac{x^2}{y^2}+20\frac{x}{y}+13-30\frac{y}{x}+9\frac{y^2}{x^2}$

If $9x^4+12x^3+28x^2+ax+b$ is a perfect square, find the values of $a$ and $b$.

Write down the quadratic equation in general form for which sum and product of the roots are given below.

$9, 14$

Write down the quadratic equation in general form for which sum and product of the roots are given below.

$-\frac{7}{2}, \frac{5}{2}$

Write down the quadratic equation in general form for which sum and product of the roots are given below.

$-\frac{3}{5}, -\frac{1}{2}$

Find the sum and product of the roots for the following quadratic equation:

 $x^2+8x-65=0$

Find the sum and product of the roots for the following quadratic equation:

$2x^2+5x+7=0$

Find the sum and product of the roots for the following quadratic equation:

$k{x}^2-k^{2}x-2k^3=0$