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Grade: 12th pass
        
Question number 6..........
Ans. is a/x+b/y=1
.......................................
one month ago

Answers : (1)

Aditya Gupta
1670 Points
							
first draw the figure. let coordinates of S be (h, k).
now, Q’s coordinates will be (h, 0) and R’s coordinates will be (0, k) where we are assuming Q is on x axis and R on y axis.
now, since QPR is a line, so
slope of line QPR= (k – 0)/(0 – h)= (b – 0)/(a – h)
or – k/h= b/(a – h)
replace h and k by x and y
 – y/x= b/(a – x)
or b/y + a/x= 1
kindly approve :=)
one month ago
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