Find the value of p for which the lines represented by the pair of equ – InterviewSolution

1.

Find the value of p for which the lines represented by the pair of equationsintersect at a unique point:-3x + 5y 7(2p-5)x-3y !

Answer»

So,

-3x + 5y = 7

(2p - 5)x - 3y = 1

For unquie solution

-3/(2p - 5) ≠ 5/(-3)

(-3) × (-3) ≠ 5 ( 2p - 5)

9 ≠ 10p - 25

34 ≠ 10p

p ≠ 34/10

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