JEE Main & Advanced
Mathematics
Binomial Theorem and Mathematical Induction
Question Bank
Critical Thinking
question_answer
If the coefficient of \[{{(2r+4)}^{th}}\] and \[{{(r-2)}^{th}}\]terms in the expansion of \[{{(1+x)}^{18}}\]are equal, then r= [MP PET 1997; Pb. CET 2001]