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What will be the output of the following C++ code? #include <iostream> using namespace std; class sample; class sample1 { int width, height; public: int area () { return (width * height);} void convert (sample a); }; class sample { private: int side; public: void set_side (int a) { side = a; } friend class sample1; }; void sample1::convert (sample a) { width = a.side; height = a.side; } int main () { sample sqr; sample1 rect; sqr.set_side(6); rect.convert(sqr); cout << rect.area(); return 0; } What is the primary purpose of a learning rate in training machine learning models? Arrange the operators in the increasing order as defined in C#. !=, ?:, &, ++, && Where does the file name appear on the MS Word window ? To verify that the note text is positioned correctly on the page, switch to ________ view or display the document in print preview