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Multiply (√a -2) (√a+2)

Multiply (√a -2) (√a+2)
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Multiply (√a -2) (√a+2)

User Escapedcat
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1 Answer

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(√(a) -2)(√(a)+2)\\=√(a)*√(a) +2√(a) -2√(a) -2*2\\=a - 4

Hope that helps!

User Yashraj
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