`vec(a),vec(b),vec(c)` are the three coplanar vectors and if `vec(r).vec(a)=vec(r).vec(b)=vec(
104 views · Published 13 October 2018 · 3:10 · Indexed 3 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW `vec(a),vec(b),vec(c)` are the three coplanar vectors and if `vec(r).vec(a)=vec(r).vec(b)=vec(r).vec(c)=0` then prove that ` vec(r)` is a zero vector
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