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Show that f(x)={{:((cosax-cosbx)/(x^(2))...

Show that `f(x)={{:((cosax-cosbx)/(x^(2))," if " xne0),((1)/(2)(b^(2)-a^(2))," if "x=0):}"is continuous at 0"`

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The correct Answer is:
x=0
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SRISIRI PUBLICATION-SOLVED MODEL PAPER-1-SOLVED MODEL PAPER-1(MATHS-1B)
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