Practice question

MCQ

Question

What are the d.c's of the line whose d.r's are 1. -2. and 3 ?

Options

Choose one · Correct answer highlighted

1 14, 2 14, 3 14 Correct 1 14, 2 14, 3 14 Correct 1 14, 2 14, 3 14 Correct 1 14, -2 14, - 3 14

Explanation

The logic is straightforward: we verify 1 14, 2 14, 3 14 by full calculation: use standard identity, substitute, simplify step by step to reach 1 14, 2 14, 3 14.

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