Math, asked by abinmbinu, 11 months ago

expand using identity 2 by 3 X + 1 the whole cube

Answers

Answered by koushikj401

7

(2/3x+1)^3

=8/27x^3+1+3×3x(3x+1)

=8/27x^3+1+9x(3x+1)

=8/27x^3+1+27x^2+9x

=8/27x^3+27x^2+9x+1

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