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What would be the square root of 625 using the identity (a +b)2 = a2 + b2 + 2ab?

What would be the square root of 625 using the identity (a +b)2 = a2 + b2 + 2ab?
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2 votes
What would be the square root of 625 using the identity (a +b)2 = a2 + b2 + 2ab?

User Adriendenat
by
8.3k points

1 Answer

4 votes

Answer:

25

Explanation:


√(625) =25


25^2=(15+10)^2=15^2+2(15)(10)+10^2


=225+300+100


=625

User Ellisdod
by
7.6k points
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