$\sqrt{- 3} \sqrt{- 75}$

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15i

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-15

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115i

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Solution

The correct option is C
-15

$\sqrt{- 3} \sqrt{- 75}$ = $\sqrt{3} i . \sqrt{75} i$ = $15 i^{2}$ = -15

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Question 57

${(\frac{4}{3})}^{5} \times {(\frac{5}{7})}^{5} = {(\frac{4}{3} + \frac{5}{7})}^{5}$

\sqrt{- 3} \sqrt{- 75} =

Simplify : [3 MARKS]

$\frac{3^{8} \times 4^{5} \times 3^{2} \times 5^{4} \times 7^{5}}{3^{9} \times 4^{4} \times 7^{5}}$

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