Question

#Solve this question ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

(4)

Step-by-step explanation:

Let one root be a , so other root is 1/a [ATQ].

So , product of roots = c/a

a.1/a= 2k/k+1

1=2k/k+1

k+1=2k

-k+1=0

-k=-1

k=1 ( Answer ) (4) option is correct