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Popular >

expand (pi-1)(pi+1)

Solution

expand

(π - 1) (π + 1)

Solution

π^{2} - 1

Solution steps

(π - 1) (π + 1)

Apply Difference of Two Squares Formula:

(a - b) (a + b) = a^{2} - b^{2}

a = π, b = 1

= π^{2} - 1^{2}

Apply rule

1^{a} = 1

1^{2} = 1

= π^{2} - 1

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Frequently Asked Questions (FAQ)

What is expand (pi-1)(pi+1) ?
The solution to expand (pi-1)(pi+1) is pi^2-1