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Equation with Factoring?

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Source: — Problem Solving |
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by cramya » Fri Mar 06, 2009 8:53 pm
I am assuming the 3rd term is sqrt(3)+1

(sqrt2+1)(sqrt2-1)(sqrt3+1)(sqrt3-1)

Use (a+b) ( a-b) = a^2-b^2

a = sqrt2
b = 1

2 - 1 = 1

Use (a+b) ( a-b) = a^2-b^2

a = sqrt3
b = 1

3 - 1 = 2



So

1*2 = 2
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