1.

Find the cube (3x/2+1)³​

Answer»

Answer:

Step-by-step explanation:

=\frac{27x^3+54x^2+36x+8}{8}

Step-by-step explanation:

Given Equation is (3X/2 + 1)³

We KNOW that (a + b)³ = a³ + 3a²b + 3ab² + b³

=(\frac{3x}{2})^3+3(\frac{3x}{2})^2*1+3*\frac{3x}{2}*1^2+1^3

=\frac{27x^3}{8}+\frac{27x^2}{4}+\frac{9x}{2}+1

=\boxed{\frac{27x^3+54x^2+36x+8}{8}}

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