Physics, asked by milky354, 5 hours ago

The vectors 5i+2j-lk is perpendicular to the vector 3i+j+2k for l=

Answers

Answered by janapsr2011

1

Answer:

17/2

Explanation:

(5i+2j-Ik).(3i+j+2k) = 0

or, 15+2-2I = 0

or, 2I = 17

i.e., I = 17/2

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