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CGP EDU Academic Team
Published on: August 14, 2026
The straight lines u 1 = 0, u 2 = 0, u 3 = 0 and u 4 = 0 represent sides of a parallelogram as shown in adjacent figure, then-
Text Solution
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(a, d)
Equation of family of lines passing through the point of intersection of μ 1 = 0 & μ 4 = 0 is μ 1 + λ μ 4 = 0 ⇒ λ = 
Similarly Equation of family of lines passing through the point of intersection of
μ 2 = 0 & μ 3 = 0 is μ 3 + μ μ 2 = 0 ⇒ μ = 
.
= μ . Similarly for BD.
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