Grade 12Differential Calculus
Find the no. of points of discontinuity of f(x) = (1+cos5x) / (1-cos4x)
Find the no. of points of discontinuity of f(x) = (1+cos5x) / (1-cos4x)
2 Answers
bibhash jha
since cos function is continuous throughout the R ,
we need to check the denominator which must not be zero .
1-cos4x=0 => x=npi/2 , n=integer
so domain = R- { npi/2 | n is an integer }
Askiitian.Expert Rajat
Hi
the function would be discontinuous at the points that it is not defined
Those points are :
x=npi/2
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