Math, asked by reenamanjula, 2 months ago

using sutable identities(3x + 1)^3

Answers

Answered by prithapaul35

2

Answer:

(a+b)³=a³+b³+3a²b+3b²a

a=3x

b=1

(3x + 1)³=(3x)³+1³+3×(3x)²×1+3×1²3x

(3x + 1)³=27x³+1+27x²+9x

(3x + 1)³=27x³+27x²+9x+1

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