Math, asked by calltofight8869, 9 months ago

18. Expand : 2x² − (1/x)²

Answers

Answered by anushkasharma8840

8

Step-by-step explanation:

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

= 4x² - 4 + 1/x²

= 4x² - 4 + x^-2

Sum of powers = 2+0-2

= 0

Answered by ᎷíssGℓαмσƦσυs

2

Answer:

hey here your answer

0

......

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