Simplify : (2√3 - 2√5 ) (2√3 - 2√5 )
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Simplify : (2√3 - 2√5 ) (2√3 - 2√5 )
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Step-by-step explanation:
(2√3 - 2√5 ) (2√3 - 2√5 )= (2√3 - 2√5 ) ²
using the formula = (a-b)²= a²+b²-2ab
(2√3 - 2√5 ) ²= (2√3)²+(2√5)²-2(2√3)(2√5)
=12+100+8√15
=112+8√15
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