answer please ..with explanation
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Answer:
√(a² + b² + (u₁² + u₂²)t² - 2t(au₁ + bu₂))
Explanation:
Distance from Origin at time t for P₁
= a - u₁t
Distance from Origin at time t for P₂
= b - u₂t
Distance between P₁ & P₂
= √((a - u₁t)² + (b - u₂t)²)
= √(a² + u₁²t² - 2au₁t + b² + u₂²t² - 2bu₂t )
= √(a² + b² + (u₁² + u₂²)t² - 2t(au₁ + bu₂))
option A is correct
roshni5696:
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