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If ax + (1)/(bx) = c, then the value of...

If `ax + (1)/(bx) = c, ` then the value of `bx + (1)/(ax)` is :

A

A)`(bc)/(a)`

B

B)`(ac)/(b)`

C

C)`(a ^(2))/(bc)`

D

D)`(a)/(ab)`

Text Solution

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The correct Answer is:
To solve the equation \( ax + \frac{1}{bx} = c \) and find the value of \( bx + \frac{1}{ax} \), we will follow these steps: ### Step 1: Start with the given equation We have: \[ ax + \frac{1}{bx} = c \] ### Step 2: Multiply both sides by \( \frac{b}{a} \) To manipulate the equation, we multiply both sides by \( \frac{b}{a} \): \[ \frac{b}{a} \left(ax + \frac{1}{bx}\right) = \frac{b}{a} c \] ### Step 3: Distribute \( \frac{b}{a} \) Distributing \( \frac{b}{a} \) gives us: \[ \frac{b}{a} ax + \frac{b}{a} \cdot \frac{1}{bx} = \frac{b}{a} c \] This simplifies to: \[ bx + \frac{1}{a} = \frac{bc}{a} \] ### Step 4: Rearranging the equation Now, we can isolate \( bx + \frac{1}{ax} \): \[ bx + \frac{1}{ax} = \frac{bc}{a} - \frac{1}{a} \] Combining the terms on the right side gives: \[ bx + \frac{1}{ax} = \frac{bc - 1}{a} \] ### Step 5: Final expression Now, we can express \( bx + \frac{1}{ax} \) in terms of \( c \): \[ bx + \frac{1}{ax} = \frac{bc}{a} \] ### Conclusion Thus, the value of \( bx + \frac{1}{ax} \) is: \[ \frac{bc}{a} \]
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