Question

26. The line joining points (P + 1, 1) (2P + 1, 3) passes through the points (2P+2, 2P) then value taken by P are
A 1/2 2
B)-1/2,-2
C) 1/2,-2.
D) 1/2,2
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Answer 1

Answer:

C

Step-by-step explanation:

ince these 3 points are on the same line, then slope between points (p+1,1) and (2p+1,3) is equal to slope between points (2p+1,3) and (2p+2,2p)

3−1(2p+1)−(p+1)=2p−3(2p+2)−(2p+1)

2p=2p−31

2p2−3p=2

2p2−3p−2=0

(2p+1)(p−2)=0

p=−1/2 or 2