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Grade: 12th pass
        
If f:R->R, and f(x)=ax + sinx +a, then
 
f(x) is one-one function if a belongs to R
f(x) is one-one function if a belongs to R -[-1,1]
f(x) is one-one function if a belongs to R – {0}
f(x) is one-one function if a belongs to R – {-1}
 
one month ago

Answers : (1)

Arun
21510 Points
							
Dear student
 
f’(x) = a + cos x
 
hence its value is always between a – 1 to a + 1
 
if a> 1
then f(x) is increasing function hence one one
one month ago
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