Question

if x = 2 is the common root of the equation ax²+ax+3=0and x²+x+b=0,then whats is the value of ab​

Answer 1

X = 2

AFTER PUTTING THE VALUE OF X IN EQUATION

AX^2 + AX + 3 = 0

WE GER

4A + 2A = -3

A = -1/2

PUTTING THE VALUE OF X IN EQUATION

X^2 + X + B = 0

4 + 2 + B = 0

B = -6

AB = A * B

      = -1/2 * -6

      = 3 => ANSWER

Answer 2

Answer:

value of ab =3

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