The value of 462 is equal to
2196
2016
2116
2216
462 can be written as
46×46
=(40+6)×(40+6)
=40×40+40×6+6×40+6×6
=1600+240+240+36
=2116
The coefficients of three successive terms in the
expansion of (1+x)n are 165, 330 and 462
respectively, then the value of n will be