Question

if one root of 2x²+kx-6 is 2,then k=.....?​

Answer 1

Answer:

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Answer 2

Answer:

Since x=2 is a root of the equation

2x2+kx−6=0

2k+2=0

k=−1

Putting k =-1 in the given equation, we get,

2x2−x−6=0

(x−2)(2x+3)=0

x=2,−2/3

Hence, the other root is −2/3.

Hope it is helpful.