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Grace [21]
3 years ago
14

Pls help meeeeeeee pls pls pls

Mathematics
1 answer:
Rom4ik [11]3 years ago
5 0

Answer:

D. \frac{4x^{2} \sqrt{29}}{29}

Step-by-step explanation:

Given the expression:

 \frac{40x^{2} \sqrt{x^{12} } }{10x^{2} \sqrt{29x^{8} } }

divide by the common factor to have;

\frac{4\sqrt{x^{12} } }{\sqrt{29x^{8} } } = \frac{4(x^{12}) ^{\frac{1}{2} } }{(29x^{8}) ^{\frac{1}{2} } }

        = \frac{4x^{6} }{\sqrt{29}x^{4}  }

        = \frac{4x^{2} }{\sqrt{29} }

Rationalize the denominator, we have;

\frac{4x^{2} }{\sqrt{29} } x \frac{\sqrt{29} }{\sqrt{29} }

So that,

\frac{4x^{2} \sqrt{29} }{29}

Thus,

\frac{40x^{2} \sqrt{x^{12} } }{10x^{2} \sqrt{29x^{8} } } = \frac{4x^{2} \sqrt{29} }{29}

The correct option is D.

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