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The direction cosines of vector (A - B), if  A=2i^+3j^+k^,B=2i^+2j^+3k^ are

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a
0,15,-25
b
0,25,15
c
0,0,15
d
None of these

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detailed solution

Correct option is A

We have  A-B=j^-2k^=CC=1+4=5cosα=05=0,cosβ=15 and cosγ=-25


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