Question

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Find value of n for which vector (i+5j+nk) is perpendicular to vector(2i-j+k).​

Answer 1

Answer:

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Answer 2

Answer:

n= 3

Step-by-step explanation:

.step 1st,

find out dot product of both the vector

:-( I+5j+nk ) . (2i-j+k)

than we got:-(2i-5j+nk)

hence the angle between the vector is 90° so product will be zero.

than, 2-5+n = 0

.. so,n = 3 ( ans)