(2a+b) Square expanded this
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Answered by
1
Answer:
(2a + b)2 = (2a)2 + (b)2 + 2 × 2a × b
[_ (a + b)2 = a2 + b2 + 2ab]
= 4a2 + b2 + 4ab
Step-by-step explanation:
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Answered by
0
Answer:
4a^2 + b^2 + 2ab
Step-by-step explanation:
Given:
• expand: (2a+b)^2
solution:
(2a)^2 + b^2 + 2 × b
using identity:
[ (a+b)^2 = a^2 + b^2 +2ab) ]
=4a^2 + b^2 + 4ab
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