JEE Advanced 2020 Paper II- Vectors Problem (Hindi)
This video from covers a simplified solution of vectors problem asked in JEE Advanced 2020 Paper II Q 11 in very few steps easy to understand form. The problem is as follows-
Let a and b be positive real numbers. Suppose PQ⃗⃗⃗⃗⃗ = ai̇̂ + bj̇̂ and PS⃗⃗⃗⃗ = ai̇̂ − bj̇̂ are adjacent sides of a parallelogram PQRS. Let u⃗ and v be the projection vectors of w⃗ = i̇̂ + j̇̂ along PQ⃗⃗⃗⃗⃗ and PS⃗⃗⃗⃗ respectively. If |u⃗ | + |v | = |w⃗ | and if the area of the parallelogram PQRS is 8, then which of the following statements is/are TRUE? (A) a + b = 4 (B) a − b = 2 (C) The length of the diagonal PR of the parallelogram PQRS is 4 (D) w⃗ is an angle bisector of the vectors PQ⃗⃗⃗⃗⃗ and PS⃗⃗⃗⃗
This video is suitable for the students aspiring for engineering entrance exam and is also suitable for CBSE, ISC, HSC, IB Board students and the students who have genuine interest in learning coordinate geometry
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