1.) Create a function that merges two binary search trees as a SET (i.e. the union of two sets via binary search tree) 2

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1.) Create a function that merges two binary search trees as aSET (i.e. the union of two sets via binary search tree)
2.) Create a function that checks if to binary search treescontains same numbers (i.e. does two sets contains same number)
- Please use C program and binary search tree operations.(explain the proccess)