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Questions › JNU › JNU SIS 2019 › Q32
0 marksMathematics › Limits, continuity and differentiability › Continuity and discontinuitiesEasyabout 1 min

JNU SIS 2019 Question 32: Limits, continuity and differentiability

f(x)=x2−2x+4x2+4x+3f(x) = \frac{x^2-2x+4}{x^2+4x+3}f(x)=x2+4x+3x2−2x+4​. Then f(x) has

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f(x) = (x²-2x+4)/(x²+4x+3). Then f(x) has (A) no points of discontinuity (B) a single point of discontinuity at x=2 (C) two points of discontinuity at x=-1 and x=-3 (D) two points of discontinuity at x= 1 and x=3

Also written as: f(x) = (x^2-2x+4)/(x^2+4x+3). Then f(x) has

Limits, continuity and differentiability has come up 122 times in 7 exams since 2006.

What this question tests

This question is on Continuity and discontinuities, part of Limits, continuity and differentiability in Mathematics.

When a function is continuous at a point and what kinds of breaks occur.

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