Question

If a is a root of the equation x2 - (a + b) x + k = 0, find the value of k​

Answer 1

Explanation:

x2 - x(a + b) + k = 0,

x = a

therefore k = ab.

Answer 2

Answer:

your answer is in the above attachment

Explanation:

$\huge\mathcal\pink{please}$   $\huge\mathcal\pink{drop}$   $\huge\mathcal\pink{some}$   $\huge\mathcal\pink{thanks}$   $\huge\mathcal\pink{dear.}$

$\huge\mathcal\red{I}$   $\huge\mathcal\red{will}$   $\huge\mathcal\red{return}$   $\huge\mathcal\red{you}$   $\huge\mathcal\red{back.}$