Question
Given that x and y are in direct proportion, and y1,y2 are values of y corresponding to the values x1,x2 of x respectively. Which of the following is correct?
Answer: Option A
:
A
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A
When x and y are in direct proportion, we can write x1y1=x2y2
[y1,y2 are values of y corresponding to the values x1,x2 of x respectively] which gives x1y2=x2y1.
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