evalute using identity (3m-4n)² write the identity
Answers
Answered by
2
Answer:
(3m-4n)²
3m² + 8n² - 2×3m× 4n
3m² +8n² -24mn
Identity:- (a-b)² = a²+b²-2ab.
Answered by
1
Answer:
(3m-4n)^2
=(3m)^2-2.3m.4n+(4n)^2
=9m^2-24mn+16n^2
Step-by-step explanation:
is
9m²-24mn+16n²
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