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Exp

Item Value Header filemath.h Declarationfloat expf(float arg);double exp(double arg);long double expl(long double arg); Returnreturns the natural logarithm e raised to the arg power. #include <math.h>   #include <stdio.h>   int main(void)   {       printf("Value of e to the first: %f.", exp(1.0));     } Value of e to the first: 2.718282.