Question

who will answer my question I will mark as brainliest​

Answer 1

Step-by-step explanation:

Question:

$\bold{4\sqrt{5}+5\sqrt{5}= ? }$

Answer:

$\bold{4\sqrt{5}+5\sqrt{5} }$

Taking $\bold{\sqrt{5} }$ common:

$\bold{4+5\sqrt{5} }$

$\bold{9\sqrt{5} }$

∴ Right option is d) $\bold{9\sqrt{5} }$.

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