If the d.r.'s of two lines are connected by the relations a-b+c=0, a^{2}-b^{2}+2 c^{2}=0 and \theta is the angle between these lines then \cos \theta=

TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Mathematics

Question : 63 of 160

Marks: +1, -0

If the d.r.'s of two lines are connected by the relations a−b+c=0,a2−b2+2c2=0 and θ is the angle between these lines then cos‌θ=

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