Question

2 x square -(2+k)x+k=0​

Answer 1

Answer:

For value of k,

2x²-(2+k)x+k=0

a=2

b=-(2+k)

c=k

{-(2+k)}-4×2×k=0

4+k²+4k-8k=0

k²-4k+4=0

k²-2k-2k+4=0

(k-2)(k-2)=0

k=2, 2

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