If `vec a` and `vec b` are unit vectors inclined to `x-axos` at angle `30^@` and `120^@` then ...
345 views · Published 12 October 2018 · 1:47 · Indexed 5 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `vec a` and `vec b` are unit vectors inclined to `x-axos` at angle `30^@` and `120^@` then `|vec a + vec b|`
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