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Question
When we evaluate using algebraic identity what will we get :
[√(a-x)][√(a+x)]
When we evaluate using algebraic identity what will we get :
[√(a-x)][√(a+x)]
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Solution
(a+b)(a-b) = a^2 - b^2
√(a+x)√(a-x) = √(a+x)(a-x)
= √(a² - x²)
√(a+x)√(a-x) = √(a+x)(a-x)
= √(a² - x²)
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