find (3m-2n)
whole square
Answers
Answered by
2
Answer: 9m square - 12mn - 4n square
Step-by-step explanation:
{3m-2n} whole square
= (3m)square - {2 x 3m x 2n} + (2n)square
= 9m square - 12mn - 4n square
Answered by
2
Answer:
(3m - 2n)^2
by identity (a - b)^2 = a^2 + b^2 -2ab
(3m)^2 + (2n)^2 - 2(3m)(2n)
9m^2 + 4n^2 - 12 mn
This is ur answer....
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