Flag Differential Calculus> f(x)=Sgn(x) and g(x)=x(x 2 -5x+6). Then f...
question mark

f(x)=Sgn(x) and g(x)=x(x2-5x+6). Then functiion f{g(x)} is discontinuous at
1. Infinitely many points
2. Exactly one point
3. Exactly three points
4. No point

Shivam , 10 Years ago
Grade 12
anser 2 Answers
bharat bajaj

Last Activity: 10 Years ago

The roots of g(x) is 0,2 and 3.
Hence, f(g(x)) would change sign at these three points. Hence, it is discontinuos at these 3 points.
Answer is 3)
Thanks

Bharat Bajaj
IIT Delhi
askiitians faculty

Arun Kumar

Last Activity: 10 Years ago

Hi

Thanks & Regards, Arun Kumar, Btech,IIT Delhi, Askiitians Faculty

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