Question

Tính :

\(A=\left(1-\frac{1}{2}\right)\left(1-\frac{1}{3}\right)...\left(1-\frac{1}{2015}\right)\left(1-\frac{1}{2016}\right)\)

giúp mk nha các bn mk đang cần gấp

Answer 1

= 1/2 . 2/3 .... 2014/2015 . 2015/2016

= 1/2016

Answer 2

1/2016

Answer 3

A = ( 1 - 1/2 ) ( 1 - 1/3 ) ... ( 1 - 1/2015 ) ( 1 - 1/2016 )

A = 1/2 . 2/3 ... 2014/2015 . 2015/2016

A = 1 . 2 . 3 ... 2014 . 2015/2 . 3 ... 2014 . 2015 . 2016

A = 1/2016

Nếu đúng thì k cho mình nha