Question

If A = (1, 2, -1), B = (2,1,3), then the direction ratios of line AB are
(a) 3,3,2
(b) 1, 2,5
(c) 1,-1,4
(d) -1, -1,4​

Answer 1

Answer:

-1,-1,4

Step-by-step explanation:

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