Let `veca = a_1hati + a_2hatj + a_3hatk, vecb = b_1hati + b_2hatj+ b_3hatk` and `vecc = c_1ha
2 views · Published 13 October 2018 · 5:22 · Indexed 4 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Let `veca = a_1hati + a_2hatj + a_3hatk, vecb = b_1hati + b_2hatj+ b_3hatk` and `vecc = c_1hati + c_2hatj + c_3hatk` be three non zero vectors such that `|vecc| =1` angle between `veca` and `vecb` is `pi/4` and `vecc` is perpendicular to `veca` and `vecb` then `|[a_1, b_1, c_1], [a_2, b_2, c_2], [a_3, b_3, c_3]|^2= lamda(a_1 ^2 +a_2 ^2 + a_3 ^2)(b_1 ^2 + b_2^2+b_3^2)` where `lamda` is equal to
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