Multiply and Simplify the Expression $\sqrt { 5 } \sqrt { 21 }$

question 57

Multiple Choice

Multiply and simplify the expression $\sqrt { 5 } \sqrt { 21 }$ .

• A) 105
• B) \(\sqrt { 105 }\)
• C) \(\sqrt { 5 } + \sqrt { 21 }\)
• D) \(\sqrt { 21 }\)
• E) \(\sqrt { 5 }\)

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Definitions:

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