(a+7b)² expand using suitable identities
Answers
Answered by
1
Answer:
Hey we have formula
I will say u expand it
(a+b) *2=a*2+b*2+2ab
Answered by
1
Answer:
a^2+14ab+49b^2
Step-by-step explanation:
We Have,(a+b)^2=a^2+2ab+b^2
(a+7b)^2=a^2+2(a•7b)+(7b)^2
=a^2+14ab+49b^2
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