Evaluate (4a+5b) the whole square
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Answered by
8
Step-by-step explanation:
(a+b)^2=(a^2)+(b^2)+(2ab)
(4a+5b)^2=[(4a)^2+(5b)^2+2*4a*5b]
=[16a^2+25b^2+40ab]
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Answered by
2
Answer:
Step-by-step explanation:
By using the identity (a+b) whole square
(4a+5b) whole square =( 4a) whole square +2(4a)(5b)+(5b) whole square
=16a square + 4oab + 25b square
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