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Which of the following equivalent to the...

Which of the following equivalent to the expressions `((a^((1)/(4))b^(3))/(a^(2)b^((1)/(2)))`?
Where `agt1 and bgt1`

A

`(b^(3)sqrt(b))/(a^(4)sqrt(a^(3)))`

B

`(b^(3)sqrt(b))/(a^(3)sqrt(a))`

C

`(b^(3)sqrt(b))/(root(r)(a^(2)))`

D

`(sqrt(b^(3))/(root(4)(a^(2))`.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the expression \(\frac{a^{\frac{1}{4}} b^{3}}{a^{2} b^{\frac{1}{2}}}\), we will simplify it step by step. ### Step 1: Rewrite the expression The given expression is: \[ \frac{a^{\frac{1}{4}} b^{3}}{a^{2} b^{\frac{1}{2}}} \] ### Step 2: Apply the laws of exponents Using the property of exponents \(\frac{x^m}{x^n} = x^{m-n}\), we can simplify the expression for both \(a\) and \(b\). For the \(a\) terms: \[ \frac{a^{\frac{1}{4}}}{a^{2}} = a^{\frac{1}{4} - 2} = a^{\frac{1}{4} - \frac{8}{4}} = a^{-\frac{7}{4}} \] For the \(b\) terms: \[ \frac{b^{3}}{b^{\frac{1}{2}}} = b^{3 - \frac{1}{2}} = b^{\frac{6}{2} - \frac{1}{2}} = b^{\frac{5}{2}} \] ### Step 3: Combine the results Now we can combine the results from the \(a\) and \(b\) simplifications: \[ \frac{a^{\frac{1}{4}} b^{3}}{a^{2} b^{\frac{1}{2}}} = a^{-\frac{7}{4}} b^{\frac{5}{2}} \] ### Step 4: Rewrite with positive exponents To express \(a^{-\frac{7}{4}}\) with a positive exponent, we can write: \[ a^{-\frac{7}{4}} = \frac{1}{a^{\frac{7}{4}}} \] Thus, the expression becomes: \[ \frac{b^{\frac{5}{2}}}{a^{\frac{7}{4}}} \] ### Step 5: Final expression The final simplified expression is: \[ \frac{b^{\frac{5}{2}}}{a^{\frac{7}{4}}} \]
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