Question

$but \: \:answer \: \: kb \: \: doge \: \: \: mujhe \: \: likhna \: \: hai \: \: plese$
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Answer 1

Step-by-step explanation:

relation between coefficients and roots of the equation is:

let's say any equation,

$a{x}^{2} + bx + c= 0$

then it's root are

$\alpha$

and

$\beta$

so relation is alpha + beta = -b/a

alpha × beta = c/a

Answer 2

Not sure about the question but answered According to your previous question.

I used formula (a+b)(a-b)=a²-b²

Quadratic equation = x²-(sum)x+product