JEE Advanced Mathematics question
If are positive integers such that then the number of possible values of the ordered triplet is
Answer: (B)
Solution
*Method 1 (book):* with ; each has positive solutions, so
{}^{n-1}={}^+{}^+{}^+{}^+{}^+{}^=1+3+6+10+15+21=56,
which equals by the hock
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