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Question

The line (p+2q)x+(p3q)y=pq for different values of p and q, passes through the fixed point

A
(32,52)
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B
(25,25)
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C
(32,35)
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D
(25,35)
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Solution

The correct option is D (25,35)
(p+2q)x+(p3q)y=pq

p(x1+y)+q(2x3y+1)=0

intersection point of (x1+y=0),(2x3y+1=0)

x+y=1×2

2x+2y=2
2x3y=1_______5y=3

y=35 put in x+y=1x=135=25

y=35 ; x=25

the fixed point is (25,35)

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