Mathematics
Grade10
Easy

Question

What is an equivalent expression for square root of 125 x to the power of 5 end root

  1. 5 x squared square root of 5 x end root
  2. 25 x squared square root of 5 x end root
  3. 5 x to the power of 4 square root of 5 x end root
  4. 5 x cubed square root of 5 x end root

Hint:

radical expression is simply a mathematical expression which includes a radical sign ().

The correct answer is: 5 x squared square root of 5 x end root


    We have to find the equivalent expression for √(125xˆ5).
    We have, √(125xˆ5) = √( 5×5×5×x²×x²×x) = 5x²√5x.
    Hence, the correct option is A.

    Simplifying radical expressions expression is important before addition or subtraction of expressions to identify like terms that can be added or subtracted, and hence reach the solution.

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