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(Square root of ((x^2)-1)^2)=x^2-1
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(Square root of ((x^2)-1)^2)=x^2-1

User Demigod
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1 Answer

4 votes

Answer:

Explanation:

√((x²) - 1)²

= √(x²)² - 1²

= √x⁴ - √1²

= x⁴ˣ¹/² - 1²ˣ¹/²

= x² - 1 (Hence Proved)

User Heinrich
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