MathematicsMedium202×since 2002Q5754The sum of all values of α\alphaα, for which the points whose position vectors are i^−2j^+3k^,2i^−3j^+4k^,(α+1)i^+2k^\hat{i}-2 \hat{j}+3 \hat{k}, 2 \hat{i}-3 \hat{j}+4 \hat{k},(\alpha+1) \hat{i}+2 \hat{k}i^−2j^+3k^,2i^−3j^+4k^,(α+1)i^+2k^ and 9i^+(α−8)j^+6k^9 \hat{i}+(\alpha-8) \hat{j}+6 \hat{k}9i^+(α−8)j^+6k^ are coplanar, is equal to :A6B4C−-−2D2Check answerSkip