Q11 of 51 Page 26

Mark the correct alternative in each of the following:

If the vectors and are coplanar, then m =





Here, vector a, b, and c are coplanar. So, .


∴


∴ 4(8-30)-11(28-6)+m(35-2)= 0


∴ 4(-22)-11(22)+33m = 0


∴ -88 -242 +33m = 0


∴ 33m = 330


∴ m = 10

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