If 2x-1/2x3 find the value of 4x2+1/4× 2

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DavidEG asked Oct 28, 2022

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If 2x-1/2x3 find the value of 4x2+1/4× 2

Mathematics
high-school

DavidEG asked Oct 28, 2022

by DavidEG

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1 Answer

6 votes

Answer:

4x² +
(1)/(4x^2) = 171

Explanation:

2x -
(1)/(2x) = 13

so,

(2x-
(1)/(2x) )² = (13)²

(2x)² + (
(1)/(2x) )² - 2 (2x) (
) = 13 x 13

4x² +
(1)/(4x^2) - 2 = 169

4x² +
(1)/(4x^2) = 169+2

4x² +
(1)/(4x^2) = 171

Liam M answered Nov 4, 2022

by Liam M

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