if (x-1/x)=9 find the value of (x)² x+ (1/x )²
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Answer:
83
Step-by-step explanation:
x-1/x = 9
=> (x-1/x)² = (9)²
=> x²+1/x²-2 = 81
=> x²+1/x² = 81+2
=> x²+1/x² = 83
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