CBSE BOARD XII, asked by studybuddyyaaro, 19 days ago

Q.1. If the vectors i -2j+ k, ai – 5j + 3k & 5i - 9j + 4kare coplanar, then the value of a is. a) 3. b)2. c) -3. d)-2

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Answered by sampasm10

0

Answer:

(b) 2 is the correct answer

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