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If a, b, c, x, y, z are real and `a^(2)+b^(2) + c^(2)=25, x^(2)+y^(2)+z^(2)=36 and ax+by+cz=30`, then `(a+b+c)/(x+y+z)` is equal to :

A

1

B

`(6)/(5)`

C

`(5)/(6)`

D

`(3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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VK JAISWAL-VECTOR & 3DIMENSIONAL GEOMETRY-Exercise-5 : Subjective Type Problems
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