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Grade: 12
        
Please solve Q3 and Q4 as soon as possible
The image is attached
4 months ago

Answers : (1)

Arun
22031 Points
							
 
Dear student
 
in last question,
 
we have to use the boundary concept like
 
min value of (3sec^2 x – 1) = 1; when sec x = ± 1
 
also second expression has min value = 1
when y = 6/18 = 1/3
 
hence now you can find ordered pair
 
Regards
Arun (askIITians forum expert)
4 months ago
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