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Good morning sir.. Answer is 1st option. Explain it sir.

2 years ago

Answers : (1)

Arun
24742 Points
							
Dear Raju
 
As ai + bj and ci + bd are unit vectors, their x components represents sin theta
 
1.5 sin i = 2 sin r
 
a x 1.5 = 2 x c
 
a/c = 2 / 1.5 = 4/3
 
Regards
Arun
2 years ago
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