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Questions  

The line x32=y31=z1 intersects the line L which passes through origin at an angle π3, then L is

a
x1=y2=z−1 (or) x−1=y1=z−2
b
x1=y2=z3 (or) x−1=y1=z−3
c
x1=y-1=z3 (or) x1=y2=z3
d
x1=y2=z3 (or) x3=y2=z1

detailed solution

Correct option is A

Verify the optionscosθ=a1a2+b1b2+c1c2a 12+b 12+c 12a 22+b 22+c 22

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