Math, asked by govindsyam52241, 8 months ago

If x^2 + 1÷x2 =11 then x - 1÷x will be what

Answers

Answered by niharikadayama
0

Answer:

+3 or -3

Step-by-step explanation:

x² + 1/x² = 11

using (a-b)² = a² + b² +2ab

we can write above eq as

(x - 1/x)² + (2*x²*1/x²) = 11

(x - 1/x)² + 2 = 11

(x - 1/x)² = 9

(x - 1/x) = √9

(x - 1/x) = +3 or -3

Answered by MNP78493
0

Answer:

3

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