solve 8a^3-b^3-12a^2×b+6ab^2 from identity
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Answered by
1
Step-by-step explanation:
8a3 + b3 + 12a2b + 6ab2
SOL: 8a3 + b3 + 12a2b + 6ab2
= (2a)3 + (b)3 + 12a2b + 6ab2
= (2a)3 + (b)3 + 6ab (2a + b)
= (2a)3 + (b)3 + 3(2a)(b) (2a + b)
BY USING (x + y)3 = x3 + y3 + 3xy(x + y)
Putting x = 2a, y = b
= (2a + b)3
= (2a + b) (2a + b) (2a + b)
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hope it helps you
Answered by
1
Answer:
answer is (2a-b) ^3
Step-by-step explanation:
given
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