Question

Find the value of k if the equations x^2+4kx+3=0 and 2x^2-3kx-9=0 have a common root

Answer 1

D=0
4k×4k-4×1×3=0
16k²-12=0
16k²=12
K²=16/15
k=√12/4

Answer 2

Answer:

The value of k is explained below.

Step-by-step explanation:

x^2 + 4kx + 3 = 0 and

2x^2 - 3kx - 9 = 0 have a common root​

D=0

4k×4k-4×1×3=0

16k²-12=0

16k²=12

K²=16/15

k=√12/4

Hope this will help you.

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