i did things

1 files changed, 29 insertions, 0 deletions

diff --git a/Q3b.cpp b/Q3b.cpp
new file mode 100644
index 0000000..08676c8
--- /dev/null
+++ b/Q3b.cpp
@@ -0,0 +1,29 @@
+
+#include <iostream>
+
+using namespace std;
+
+double series(int n);
+
+double series(int n)
+{
+    if (n <= 0)
+        return 0;
+    else
+        return (double) (n/(2.0*n+1.0)) + series(n-1);
+}
+
+int main(int argc, const char *argv[])
+{
+    int x;
+    cout << "enter a number to see the sum of the series (0 to quit)" << endl;
+    do {
+        cout << ">> ";
+        cin >> x;
+        if (x <= 0)
+            cout << "Please enter a positive number (0 to quit)" << endl;
+        else
+            cout << "series(" << x << ") = " << series(x) << endl;
+    } while (x != 0);
+    return 0;
+}