Question

Design of class to overload method series given that :
Long series (int n) : return the product of first natural number ( 1*2*3*4*........n)
Long series ( int n1,int n2) : return the sum of the natural number from n1 to n2 eg 10+11 here assuming n1 =10 ,n2 =15

Answer 1

Explanation:

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