Added Simplest algorithm for SumSquareBinomial

Author: Abhishek Jasiwal

algorithms/math/sum_of_square_of_binomial_coefficient.cpp

@@ -0,0 +1,32 @@
+/*
+Program :To find the sum of square of  
+binomial coefficient. 
+
+This Program is contributed by Abhishek Jaiswal
+*/
+#include <bits/stdc++.h>
+using namespace std;
+
+int factorial(int begin, int end)
+{
+    int num = 1;
+    for (int i = begin; i <= end; i++)
+        num *= i;
+
+    return num;
+}
+
+int square(int n)
+{
+    return factorial(n + 1, 2 * n) / factorial(1, n);
+}
+
+int main()
+{
+    int n;
+    cout << "Enter the number :";
+    cin >> n;
+    cout << "The Sum of Square is " << square(n) << endl;
+    return 0;
+}
+