Prove that for all values of λ and u, the planes + 5y 4z ² - 5 + μ ( 5/²2 +4² + 3) = 0 b C 2x y 2z 4x 3y a +=-1+2 a b c = 0 intersect on the same line.

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A: To prove that ρθrk=ρωrl in Ο2 if and only if θ-ω=2πm for some m∈ℤ  and k¯≡ l¯mod 2.

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