Math, asked by KriptonCardom, 1 year ago

a + 2b = 5, prove that a cube + 8b cube + 30ab = 125

Answers

Answered by Anonymous

1

Answer:

do cube of (a+2b)^3=5^3

a^3 + 8b^3 + 3a(2b)(a+2b)= 125

a^3 + 8b^3 + 30ab =125

Step-by-step explanation:

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