please someone explain this question to me....
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The answer is C.
You should solve it as
The exponent of X in that is 3 and is cancelled by 7 and so 4 is remained.
And the exponents of y and Z are also cut by that and the remaining exponents are given there. So C is the answer.
vanshika14170:
no, the book says that the answer is A . But thank you for trying....
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