Question
If √k + (1/√k) = 8, then find the value of k +
(1/k).Solution
Given, √k + (1/√k) = 8
On squaring both the sides,
So, k + (1/k) + 2 × √k × (1/√k) = 64
Or, k + (1/k) + 2 = 64
So, k + (1/k) = 62
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