Please help! Will award Brainliest and points
1 answer:
Step-by-step explanation:
In order to add, subtract, multiply or divide, the order of radicals (or Surds) must be equal.
(1) ERROR IN THE SIMPLIFICATION:
Order of radicals are not made equal
(2) CORRECT SOLUTION:
![\frac{ \sqrt[7]{ {x}^{5} } }{ \sqrt[4]{ {x}^{2} } } \\ \\ = \frac{ \sqrt[7 \times 4]{ {x}^{5 + 4} } }{ \sqrt[4 \times 7]{ {x}^{2 + 7} } } \\ \\ = \frac{ \sqrt[28]{ {x}^{9} } }{ \sqrt[28]{ {x}^{9} } } \\ \\ = \sqrt[28]{ \frac{ {x}^{9} }{ {x}^{9} } } \\ \\ = \sqrt[28]{ {x}^{9 - 9} } \\ \\ = \sqrt[28]{ {x}^{0} }\\\\ =\sqrt[28]{1}\\\\= 1](https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%5B7%5D%7B%20%7Bx%7D%5E%7B5%7D%20%7D%20%7D%7B%20%5Csqrt%5B4%5D%7B%20%7Bx%7D%5E%7B2%7D%20%7D%20%7D%20%5C%5C%20%5C%5C%20%3D%20%5Cfrac%7B%20%5Csqrt%5B7%20%5Ctimes%204%5D%7B%20%7Bx%7D%5E%7B5%20%2B%204%7D%20%7D%20%7D%7B%20%5Csqrt%5B4%20%5Ctimes%207%5D%7B%20%7Bx%7D%5E%7B2%20%2B%207%7D%20%7D%20%7D%20%5C%5C%20%5C%5C%20%3D%20%5Cfrac%7B%20%5Csqrt%5B28%5D%7B%20%7Bx%7D%5E%7B9%7D%20%7D%20%7D%7B%20%5Csqrt%5B28%5D%7B%20%7Bx%7D%5E%7B9%7D%20%7D%20%7D%20%5C%5C%20%5C%5C%20%3D%20%5Csqrt%5B28%5D%7B%20%5Cfrac%7B%20%7Bx%7D%5E%7B9%7D%20%7D%7B%20%7Bx%7D%5E%7B9%7D%20%7D%20%7D%20%5C%5C%20%5C%5C%20%3D%20%5Csqrt%5B28%5D%7B%20%7Bx%7D%5E%7B9%20-%209%7D%20%7D%20%5C%5C%20%5C%5C%20%3D%20%5Csqrt%5B28%5D%7B%20%7Bx%7D%5E%7B0%7D%20%7D%5C%5C%3C%2Fp%3E%3Cp%3E%5C%5C%20%3D%5Csqrt%5B28%5D%7B1%7D%5C%5C%5C%5C%3D%201)
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