What’s is the answer help out

Answer:
(B) The second one, b√a
Step-by-step Explanation:
Hi there!
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I believe your answer is:
Option B
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Here’s why:
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[tex]\boxed{\text{Calculating the Answer...}}\\\\\rightarrow ab^2\\\\\rightarrow \sqrt{a}*\sqrt{b^2}\\\\\rightarrow\sqrt{x} *b\\\\\rightarrow\boxed{b\sqrt{a}}[/tex]
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Hope this helps you. I apologize if it’s incorrect.