what would be the square root of 625 using the identity (a+b)2=a2+b2+2ab?
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Answered by
38
The correct question is:
What would be the square of 625 using the identity
(a + b)2 = a2 + b2 + 2ab?
Given:
625
To find:
The square of 625 using the identity (a + b)2 = a2 + b2 + 2ab?
Solution:
From given, we have,
625
So, we have,
625 = 600 + 25
(a + b)2 = a2 + b2 + 2ab
(600 + 25)² = 600² + 25² + 2 × 600 × 25
= 360000 + 625 + 30000
= 390625
Therefore, the square of 625 using the identity (a + b)2 = a2 + b2 + 2ab is 390625.
Answered by
7
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