Maths-
General
Easy

Question

What is an equivalent expression for 5√4x17.

hintHint:

A radical expression refers to an expression containing a radical (√) symbol, commonly called as a root symbol.
We will simplify the given expression to find the solution.

The correct answer is: ∴ 10x8 × √x is an equivalent of the given expression 5√4x17


    Step-by-step solution:-
    Given expression = 5√4x17
    ∴ Given expression = 5 × √(2 × 2 × x8+8+1) ….................................... (Factorizing the given expression)
    ∴ Given expression = 5 × √(2 × 2 × x8 × x8 × x) ....................................... [an ⋅ am = an+m]
    ∴ Given expression = 5 × √(2 × 2) × √(x8 × x8) × √x ….......................... [Product property - √m × √n = √(mn)]
    ∴ Given expression = 5 × √(2)2 × √(x8)2 × √x
    ∴ Given expression = 5 × (2)2/2 × (x8)2/2 × √x .................................... [Power rule- m√(bn) = b n/m]
    ∴ Given expression = 5 × (2)1 × (x8)1 × √x
    ∴ Given expression = 5 × 2 × x8 × √x
    ∴ Given expression = 10x8 × √x
    Final Answer:-
    ∴ 10x8 × √x is an equivalent of the given expression 5√4x17.

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