Simplify : (√5 − √4)²
Options:
1-2√20
9+2√10
-9+2√10
9-2√20
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Simplify : (√5 − √4)²
Options:
1-2√20
9+2√10
-9+2√10
9-2√20
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(√5-√4) 2
formula : (a-b) 2 = a2 + b2 - 2ab
(√5) 2 + (√4) 2 - 2×√5×√4
5+4-2√20
9-2√20
your answer
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