Question

if the sum
of zero of quadratic polynomials 3x-kx+6 is
'3' then find the value of K.​

Answer 1

Answer:

k = 9

Step-by-step explanation:

Equation =

$3x^2 - kx +6=0$

$a = 3 ; b = -k;c=6\\sum\ of\ roots = \frac{-b}{a}\\3 = \frac{-(-k)}{3}\\3=\frac{k}{3}\\9 =k\\k=9$