Question

algebraic identities:
expand- (2a-1/a)^2

Answer 1

Answer:

$4 {a}^{2} + \frac{1}{ {a}^{2} } - 4 {a}^{2} = \frac{1}{ {a}^{2} }$

Answer 2

Answer:

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

hence your answer will be

(2a)^2- 2×2a×1/a+ (1/a)^2

4a sqare - a + 1/a square

Step-by-step explanation:

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