Question

(2x-1/x)^2 solve using identity(pls tell step by step elaborately.)

Answer 1

Answer:

hope it helps u.

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Answer 2

Given :-

(2x - 1/x ) ^2 to solve.

Solution :-

● Using Identity ---

( a - b) ^2 = a^2 + b^2 - 2ab

⟹ a = 2x and

⟹ b = 1/x

● Substituting the values,

⟹ ( 2x - 1/x ) ^2 =

(2x) ^2 + (1/x) ^2 - 2(2x)(1/x)

= 4x^2 + 1/x^2 - 4

= 4x^2 + x^ -2 - 4

Hope it helps !