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Q.11. If X+ 1/x =1, then what is the value of x²+ 1/x²? |
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Answer» ANSWER : 2 X+1 ---- = 2 x
x + 1 = 2X x = 2x - 1 x = 1
= with the KNOWN value of x (12 + 1) / (12) (1+1)/1 2/1 2 |
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