Question
If √x + 1/√x = 7, then the value of x + 1/x is equal to:
This question was previously asked in
SSC CGL 2024 (Tier-I) Previous Year Paper (17-Sep-2024) (Shift 3)
The correct answer is
47
Given √x + 1/√x = 7, square both sides:
(√x + 1/√x)2 = 72 → x + 1/x + 2 = 49.
Thus, x + 1/x = 49 − 2 = 47.
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