Question

If equation 2x^2 + bx + b =0 and x^2 + 2x + 2b =0 (b not equal to 0) have a common root,
then 4 (b+4/b) eqauls to
(1) 1
(2) 2
(3) 3
(4) 0​

Answer 1

Answer:

If equation 2x^2 + bx + b =0 and x^2 + 2x + 2b =0 (b not equal to 0) have a common root,

then 4 (b+4/b) eqauls to

(1) 1

(2) 2

(3) 3

(4) 0