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Let PQR be a right - angled isosceles triangle , right angled at P(2,1). If the equation of the line QR is `2x+y=3`, then the equation representing the pair of lines PQ and PR is

A

`x+3y=5, " " 3x-y=5`

B

`x+y=3, " " x-y=1`

C

`2x+3y=7, " " 3x-2y=4`

D

`3x+y=7, " " x-3y=-1`

Text Solution

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The correct Answer is:
A
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MCGROW HILL PUBLICATION-CARTESIAN SYSTEM OF RECTANGULAR COORDINATES AND STRAIGHT LINES -SOLVED EXAMPLES (LEVEL 1) SINGLE CORRECT ANSWER TYPE QUESTIONS
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