How to write non linear equations function for n order.
@uday4455, welcome to the forum.
Your post looks like a course assignment or a homework problem.
If so, it will not be alright if anyone were to supply ready answers to you here in their replies. You may want to instead attempt your own solution and if you require any Fortran language-related suggestions or guidance, you can consider making Fortran-specific posts.
Good luck,
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