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Please solve Q3 and Q4 as soon as possible The image is attached

Please solve Q3 and Q4 as soon as possible
The image is attached

Question Image
Grade:12

1 Answers

Arun
25763 Points
2 years ago
 
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)

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