square root of [2+(square root of 1+k)]=square root of 5. Solve for k

1 answer

You keep changing the question.

now we have

√(2 + √(1+k) ) = √5
square both sides
2 + √(1+k) = 5
√(1+k) = 3
square again

1+k = 9
k = 8
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