Q. Given x>0 and y>0, select the expression that is equivalent to3−64x12y94ix4y34ix9y6−4x9y6−4x4y3
Simplify Constant Term: Simplify the cube root of the constant term.The cube root of −64 is −4 because (−4)3=−64.
Simplify Variable Term x12: Simplify the cube root of the variable term x12. The cube root of x12 is x312 because when taking the cube root, you divide the exponent by 3. So, x312=x4.
Simplify Variable Term y9: Simplify the cube root of the variable term y9. The cube root of y9 is y39 because when taking the cube root, you divide the exponent by 3. So, y39=y3.
Combine Results: Combine the results from Steps 1, 2, and 3. Combining the cube roots of the constant and variable terms, we get −4x4y3.
Check Given Options: Determine if the result is one of the given options.The result from Step 4 is −4x4y3, which matches one of the given options.
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