Question: Real analysis 4.1 Define f : R - R by if x is rational f(x) = x2 +6, if x is irrational. Prove that f

Real analysis

Real analysis 4.1 Define f : R - R by if x

4.1 Define f : R - R by if x is rational f(x) = x2 +6, if x is irrational. Prove that f is discontinuous at 1. ii) Prove that f is continuous at 2

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