If the sum of the coefficients in the expansion of (x+y)n is 4096, then the greatest coefficient in the expansion is _ _ _ _ . Solution C0+C1+C2+C3+.........................+Cn=4096 ∴2n=4096=212 ⇒n=12 Greatest coefficient = 12C6=924
Math, Physics & Sound Engineering Education by IIT Alumnus