Physics, asked by mparvgoel, 23 days ago

maths physics please solve this

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Answered by ARYANGAIKWAD6830

0

Answer:

a=2

EXPLANATION

(3I + 4J - 5K ) . (2I+J+aK) = 0

3.2+4.1+(-5).a=0

6+4-5a=0

10=5a

a=2

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