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Question

Question: Which of the following function is discontinuous in R,...

Which of the following function is discontinuous in R,

A

sin2x + cos2 x

B

x2 |x| + sin x

C

n/mn/m

D

m2n2\frac{m^{2}}{n^{2}}

Answer

m2n2\frac{m^{2}}{n^{2}}

Explanation

Solution

At x =±1, function is not defined.