Q. 65.0( 1 Vote )

# Let f : R <span l

Answer :

Given:

f : R R : f(x) = x2 + 1

To find inverse of f(x)

Let y = f(x)

y = x2 + 1

y-1 = x = f–1 (x) = Substituting x = 10,

f–1 (10) = = = 3

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