Question 24 (Choice 1) - Practice Questions CBSE - Maths Class 12 (2023 Boards) - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards
Last updated at May 29, 2023 by Teachoo
The position vectors of the points P,Q and R are p ̂,q ̂ and r ̂ respectively.
A vector v ⃗=k(q ̂+r ̂ ) is such that p ̂.v ⃗=q ̂.v ⃗, where k is a scalar.
Prove that (p ̂-r ̂ ). (p ̂-q ̂ )=0.
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The position vectors of the points P,Q and R are 𝑝 ̂,𝑞 ̂ 𝑎𝑛𝑑 𝑟 ̂ respectively. A vector 𝑣 ⃗=𝑘(𝑞 ̂+𝑟 ̂ ) is such that 𝑝 ̂.𝑣 ⃗=𝑞 ̂.𝑣 ⃗, where k is a scalar. Prove that (𝑝 ̂−𝑟 ̂ ). (𝑝 ̂−𝑞 ̂ )=0.
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.
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