Saved Bookmarks
| 1. |
Sum of coefficients of expansion of B is 6561 . The difference of the coefficient of third to the second term in the expansion of A is equal to 117 . Ifn^(m) is divided by 7 , theremainder is |
|
Answer» 1 ` THEREFORE((5)/(2) + (1)/(2))^(N) = 6561` ` rArr 3^(n) = 6561rArr 3^(n) = 3^(8) ` ` therefore n = 8 ` ` n^(m) = 8^(6) = (1 + 7) ^(6) = (1 + 7K) ` Hence , remainder is 1 . |
|