Question
If √f + (1/√f) = 5, then find the value of f +
(1/f).Solution
Given, √f + (1/√f) = 5
On squaring both sides:
(√f + (1/√f)) 2 = 52
Expanding:
f + 2 + (1/f) = 25
Simplifying:
f + (1/f) + 2 = 25
Subtracting 2 from both sides:
f + (1/f) = 23
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