Question

• A. $$(a+b)^3$$
• B. a
• C. b
• D. (a+b)

Answer 1

Answer:

$$(a+b)^3$$

$y=(a+b)$

$y^2=(a+b)^2$

3rd proportion =$ \frac{a}{b}=\frac{b}{c}$

$\frac{y}{y^2}=\frac{y^2}{x}$

$\frac{1}{y}=\frac{y^2}{x}$

$x=y^3$

$x=(a+b)^3$