If x-1/x = 3 then value of x2 + 1/x2 is
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मार्क ने एएस यौर फादर मदर फिकर
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Solve by squaring on both sides
(x-1/x)²= 3²
x²+1/x²-2=9
x²+1/x²=9+2
x²+1/x²=11
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