Question

$3 \sqrt{3 + 5 \sqrt{3} } |$

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Answer 1

Step-by-step explanation:

$$\begin{lgathered}= (5 \sqrt{3} + 7 \sqrt{5} ) - (3 \sqrt{5 } - 7 \sqrt{3} ) \\ = 5 \sqrt{3} + 7 \sqrt{5} -3 \sqrt{5} + 7 \sqrt{3} \\ = 5 \sqrt{3 } + 7 \sqrt{3} + 7 \sqrt{5} - 3 \sqrt{5} \\ = 12 \sqrt{3} + 4 \sqrt{5}\end{lgathered}$$

hence A. ist he correct options