Question Solved1 Answer all of them pleaseee Knowledge and Understanding (15 Marks) 1. Let à = (2,-2,3), 5 = (1,3,4), and c = (3,6,4). Find: a) å + 2 + 37 (2) (2) b)ă c) box? (2) d)| – 3å +451 (3)

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all of them pleaseee

Transcribed Image Text: Knowledge and Understanding (15 Marks) 1. Let à = (2,-2,3), 5 = (1,3,4), and c = (3,6,4). Find: a) å + 2 + 37 (2) (2) b)ă c) box? (2) d)| – 3å +451 (3)
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Transcribed Image Text: Knowledge and Understanding (15 Marks) 1. Let à = (2,-2,3), 5 = (1,3,4), and c = (3,6,4). Find: a) å + 2 + 37 (2) (2) b)ă c) box? (2) d)| – 3å +451 (3)
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(1) solnGiven vec(a)=(2,-2,3), vec(b)=(1,3,4), vec(c)=(3,6,4)(a) with the unit vector hat(i), hat(j), hat(k) along three co-ordinate ax isvec(a)=2 hat(i)-2 hat(j)+3 hat(k), vec(b)= hat(i)+3 hat(j)+4 hat(k), vec(e)=3 hat(i)+6 hat(j)+4 hat(k)(c){:[ vec(b)xx vec(c)=|[ hat(i), hat(j), hat(k)],[1,3,4],[3,6,4]|],[= hat(i)(12-24)- hat(j)(4-12)+ hat(k)(6-9)]:}{:[=-12 ha ... See the full answer