Question

$\frac{\sqrt{a}}{b}\times\frac{b^2}{a^2}\times{\sqrt{a}}=?$

• A. a
• B. b
• C. b/a
• D. a/b

Answer 1

Answer:

C. b/a

$\frac{\sqrt{a}}{b}\times\frac{b^2}{a^2}\times{\sqrt{a}}$

$\frac{\sqrt{a\times{a}}\times{b^2}}{b\times{a^2}}$

$\frac{a\times{b^2}}{b\times{a^2}}$

$=\frac{b}{a}$