Solved papers for JEE Main & Advanced JEE Main Paper (Held On 25 April 2013)
done JEE Main Paper (Held On 25 April 2013) Total Questions - 1
question_answer1) If for positive integers\[\operatorname{r}>1,\operatorname{n},>2,\]the coefficients of the \[{{(3r)}^{\operatorname{th}}}\]and \[{{(\operatorname{r}+2)}^{\operatorname{th}}}\] powers of \[x\]in the expansion of \[{{(1+x)}^{2n}}\] are equal, then n is equal to
JEE Main Online Paper ( Held On 25 April 2013 )