expand (2m+3n)³ any answers pls
Answers
Answered by
2
Answer:
8m³+27n³ +18mn(2m+3n)
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Answered by
12
Answer:
8m³+27n³+36m²n+54mn²
Step-by-step explanation:
Given :
(2m+3n)³
Using (a+b)³ = a³+b³+3ab(a+b)
In the question a=2m & b=3n
(2m)³+(3n)³+3×2m×3n(2m+3n)
= 8m³+27n³+18mn(2m+3n)
= 8m³+27n³+36m²n+54mn²
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