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Eamcet Mathematics
Vectors: Scalar Product of Vectors

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Q.

If the vectors ai+bj+ck and pj+qj+rk are perpendicular, then

A. (a+b+c)(p+q+r)=0

B. (a+b+c)(p+q+r)=1

C. ap+bq+cr=0

D. ap+bq+cr=1

E. None of the above

View Answer

Correct choice: C

Explanation:

ap+bq+cr=0

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