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Find the cross product between a(7,-1,5) and b(9,3,2) |
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:formula : if a(a1, a2 ,a3) b(b1, <a href="https://interviewquestions.tuteehub.com/tag/b2-890784" style="font-weight:bold;" target="_blank" title="Click to know more about B2">B2</a>, <a href="https://interviewquestions.tuteehub.com/tag/b3-389082" style="font-weight:bold;" target="_blank" title="Click to know more about B3">B3</a>)a×b = (a2b3 - a3b2 ,a3b1 - a1b3, a1b2 - a2b1 )= ( a2b3 - a3b2)i + ( a3b1 - a1b3 ) j + ( a1b2 - a2b1 )<a href="https://interviewquestions.tuteehub.com/tag/kso-2775578" style="font-weight:bold;" target="_blank" title="Click to know more about KSO">KSO</a> , a1 = 7 a2 = -1 a =5b1 = 9 b2 = 3 b3 = 2 = [( -1×2) -(5×3)] I + [(5×9) - (7×2)] j + [(7×3) - (+1×9)]k=(-2-15)i + (45-14)j + (<a href="https://interviewquestions.tuteehub.com/tag/21-293276" style="font-weight:bold;" target="_blank" title="Click to know more about 21">21</a> +9)k= -17i +31 j +30 khope this would help u ...thank u...</body></html> | |