QIDE17) If [a + (1/a)]2 - 2[a - (1/a)] = 12, then which of the following is a value of 'a'?
यदि [a + (1/a)]2 - 2[a - (1/a)] = 12 हो, तो निम्नलिखित में से कौन सा 'a' का एक मान है?
Options:
1)-8+ V3
2) - 8-13
3) - 8+ V5
4) None of these
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Answers
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Answer:
(4)is the answer. hope it helps you:P
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