One of the main applications of method of contradiction in our syllabus is proving irrationality of square root 2. But it also done without mentioning the most important infinite decent method which was used by Sir Andrew ...
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Usually we prove results related to powers of sums algebraically. How can you illustrate geometrically powers of sums basically for powers 1,2,3 ?
1)What are the conditions required to be satisfied to exist the composite function f(g(x))? 2)Do we need range of g to be a subset of domain of f or is intersection of mentioned range and domain sufficient and what is the ...
Sorry it's a private question.