Question

3.
If 0.B are the roots of x + kx + 2 = 0. and Q-B = 1, then k is
c) 3
d) +4​

Answer 1

Answer:

One root of the equation, kx

2

−7x+3=0 is 3

∴k(3)

2

−7(3)+3=0

∴9k−21+3=0

∴9k=18

∴k=2