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Y=(аса |[dab]and z=![a b c][a b c]Ans.EXERCISE 1.21. Determine 2 such thata=i+ i + k, b=2î - 4 k, and c=î+aſ+3 Â are coplanar.2. Show that the four points-6 i +3 ; +2 k,3 î – 2 j+4k,si +7i+3 k and -13 i +171 -3. Find the constant a such that the vectorsAns. 2. = 5/3are coplanar.Ans. - 42 i- j + k, i + 2 j - 3k, and 3 i + aj + are coplanar.4. Prove that four points4 i +5j + k, - î + ),3 +9 +4 k, 4(-i+j+h) are coplanar.5. If the vectors a, b and c are coplanar, show thatà à àà d=0b. ab.bb.c1.19 VECTOR PRODUCT OF THREE VECTORS |
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Answer» Answer: 8785745 is the answer in this QUESTION PLEASE mark it in brainly QUESTIONS |
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