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CBSE Class 11-science Answered

sir , please help me solving this question Find the inverse of the following function if a,b belong to R , f:R-->R defined by f(x)=ax+b (a not equal to o)
Asked by Bharadwaj.R.S | 08 Aug, 2010, 12:00: AM
answered-by-expert Expert Answer
Dear Student,
 
Let the inverse of the function f be f-1. Now, according to the definition of an inverse, f-1(f(x)) = x for all x in R.
 
Now, since f(x) is linear in terms of x, let f-1(x) = cy + d
 
Now,
 
 
Regards Topperlearning.
Answered by | 08 Aug, 2010, 06:59: PM
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