For the function f(x)=2tanx at x=π2 which of the following statement is TRUE
A
f(x) has missing point discontinuity
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B
f(x) has isolated type discontinuity
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C
f(x) has infinite type discontinuity
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D
f(x) has finite type discontinuity
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Solution
The correct option is Cf(x) has infinite type discontinuity Here ,
At x=π2 limit doesn't exists as R.H.L.=f(π2+)=0 L.H.L.=f(π2−)=∞ ∴ It has Infinite type discontinuity.