Question

Where do the line pair x/a + y/b =1 and X/b + y/a = 1 interest ?

Answer 1

Step-by-step explanation: x/a+y/b=1

x/b+y/a=1

x(1/a-1/b)+y(1/b-1/a)=0

x=y

hence P.I lies on the line x-y=0

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