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Popular >

simplify (x^4-1)/(x^2-1)

Solution

simplify

\frac{x ^{4} - 1}{x ^{2} - 1}

Solution

x^{2} + 1

Solution steps

\frac{x ^{4} - 1}{x ^{2} - 1}

Factor

x^{4} - 1 : (x^{2} + 1) (x^{2} - 1)

= \frac{( x ^{2} + 1 ) ( x ^{2} - 1 )}{x ^{2} - 1}

Cancel the common factor:

x^{2} - 1

= x^{2} + 1

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Frequently Asked Questions (FAQ)

What is (x^4-1)/(x^2-1) ?
The solution to (x^4-1)/(x^2-1) is x^2+1