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If x,y €[0,10] the find no of solutions of inequality[ 3sec(x).sec(x) -1 . sqrt( 9y2 -6y+2) ]less then equal to 1

Ishaan , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

inm value of 9y^2 – 6y + 2 =  – (36 – 72) /36 = 1
 
hence
 
now
 
sec x has minimum value = 1
 
hence if we talk about using min value then
 
3^(1 – 1)  . sqrt (1) 
 
1 * 1
 
1
 
this is incorrect hence no solution
 

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