Expand (a+b)^2 if a=1 & b=8
Answers
Answered by
0
(a+b)²=(1+8)²=9²=81.
Also:
(a+b)²=a²+2ab+b²
⇒1²+2*1*8+8²
=1+16+64
=81.
Ans:81
Also:
(a+b)²=a²+2ab+b²
⇒1²+2*1*8+8²
=1+16+64
=81.
Ans:81
AcharyaVII:
Please click on the yellow button below my ans
Answered by
1
Here a=1 and b=8.
(a+b)²=a²+2ab+b²
(1+8)²=1²+2×1×8+8²
⇒1+16+64
=81
One more short method:
(1+8)²
=9²
=81
(a+b)²=a²+2ab+b²
(1+8)²=1²+2×1×8+8²
⇒1+16+64
=81
One more short method:
(1+8)²
=9²
=81
I hope it will help you.
:)
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