JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Mathematics

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Question : 65 of 90

Marks: +1, -0

The lines x=ay−1=z−2 and x=3y−2=bz−2,(ab≠0) are coplanar, if :

[20 Jul 2021 Shift 2]

b=1,a∈R−{0}
a=1,b∈R−{0}
a=2,b=2
a=2,b=3

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