Question

Select the correct answer.
Which expression is equivalent to 18x2/14r8 = 6/7x4, if x # 0?
A. 12r42
B. 314/2
C. 3x4√7
D. 3 rv2

Answer 1

The answer is b. 314/2

Answer 2

So, the correct option is option B

Given,

$\frac{18x^2\sqrt{14r^8}}{6\sqrt{7x^4} }$

Computation:

The given expression can be written as,

$\frac{6\times x^2\times3\times\sqrt{7}\times \sqrt{2x^8}}{6\sqrt{7x^4} }$

$=3 x^4\sqrt{2}$

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