u r last ans. 2 this que. was wrong...provide correct ans...
r and n are positive integers r>1, n >2 and coefficient of (r+2)th term and 3rth term in expansion of (1+x) 2n are equal,then n equals?
u r last ans. 2 this que. was wrong...provide correct ans...
r and n are positive integers r>1, n >2 and coefficient of (r+2)th term and 3rth term in expansion of (1+x) 2n are equal,then n equals?