PL'Z ANSWER THIS

Asked by Shivangi_2 | 6th Jul, 2008, 09:47: AM

Expert Answer:

x3 _ 1/x3 = (x - 1/x)3 + 3 x * 1/x (x -1/x)

= (3 + 2 sqrt2)3 + 3(3+2 sqrt2)                         sqrt 2 = 1.732

= (6.464)3 + 3 (6.464)

= 270.1 + 19.4

= 289.5

Answered by  | 6th Jul, 2008, 03:16: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.