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(a) Expand and simplify (4 + root3)(4 – root3).​

User Slaus
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1 Answer

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Explanation:

just use (a+b)(a-b) =
a^(2) - b^(2)
(4+√(3)) (4-√(3)) = 4^(2) - (√(3) )^(2) = 16 - 3 = 13

answer is 13

User Harlan Kassler
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