Question

If 2x - 1/2x =13 , find 4x² +1/4x²

Answer 1

Answer:

2x - 1/2x = 13

Squaring on both sides:

=> 4x^2 + 1/4x^2 - 2(2x)(1/2x) = 169

Identity used for (2x - 1/2x)^2:

(x - y)^2 = x^2 + y^2 - 2xy

=> 4x^2 + 1/4x^2 = 167

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Answer 2

Answer:

ur answer is ...169

Step-by-step explanation:

using formula (a-b)^2= a^2-2ab+b^2..