Question
If √c + (1/√c) = 7, then find the value of c +
(1/c).Solution
Given, √c + (1/√c) = 7
On squaring both sides:
(√c + (1/√c)) 2 = 72
Expanding:
c + 2 + (1/c) = 49
Simplifying:
c + (1/c) + 2 = 49
Subtracting 2 from both sides:
c + (1/c) = 47
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