If x + 1/x = 5, then the value of x² + 1/x² is:
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Correct answer: (D) 23
From DSSSB TGT Computer Science Full Mock Test 2
This is question 42 of DSSSB TGT Computer Science Full Mock Test 2. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.