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A function phi(x) is defined as follows...

A function `phi(x)` is defined as follows: `phi(x)={{:((tan4x)/(5x)," when " xne0),((5)/(4)," when "x=0):}`
Examine the cotinuity of `phi(x) at x=0`.

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The correct Answer is:
Therefore, the function `phi(x)` is not continuous at x = 0
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