Question

Solve 2(a²+1/a²)÷1/(ab) ​

Answer 1

Answer:

a^2 + 1/ a^2 = 2

(a+1/a)^2 - 2 × a × 1/a =2

(a+1/a)^2 -2 = 2

(a+ 1/a) ^2 = 4

(a+ 1/a) = 2

since

a + 1/a = 2

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