FACTORISE:
27(a+b)³-64(a-b)³
Answers
Answered by
0
Answer:
Factorize:-
27a
3
+64b
3
=(3a)
3
+(4b)
3
=(3a+4b)[(3a)
2
+(4b)
2
−2×3a×4b]
=(3a+4b)(9a
2
+16b
2
−24ab)
Answered by
2
Answer:
2b (3a² + b²)
Step-by-step explanation:
(a + b)³ - (a - b)³
= (a³ + 3a²b + 3ab² + b³)
= (a³ - 3a²b + 3ab² - b³)
= 6a²b + 2b³
= 2b (3a² + b²
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