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Consider the 4 points A(3, 2, 1) B(4, x,...

Consider the 4 points A(3, 2, 1) B(4, x, 5) C(4, 2, -2) and D(6, 5, -1)
(i) Find `vec(AB) , vec (AC)` and `vec(AD)`.
(ii) If the points A, B, C and D are coplanar, find the value of x.

Text Solution

Verified by Experts

The correct Answer is:
(i) `3 hat i + 3 hat j - 2 hat k`
(ii) `therefore x = 5`
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