Câu hỏi của Nguyễn Yến Nhi

Question

B=(1-1/2)(1-1/3)(1-1/4)...(1-1/2011)(1-1/2012)

Nguyễn Hoàng Minh · Accepted Answer

$B=\dfrac{1}{2}\cdot\dfrac{2}{3}\cdot\dfrac{3}{4}\cdot...\cdot\dfrac{2010}{2011}\cdot\dfrac{2011}{2012}=\dfrac{1}{2012}$

Câu trả lời:

$B=\dfrac{1}{2}\cdot\dfrac{2}{3}\cdot\dfrac{3}{4}\cdot...\cdot\dfrac{2010}{2011}\cdot\dfrac{2011}{2012}=\dfrac{1}{2012}$

ILoveMath · Answer

$\Rightarrow B=\dfrac{1}{2}.\dfrac{2}{3}.\dfrac{3}{4}....\dfrac{2011}{2012}$

$\Rightarrow B=\dfrac{1}{2012}$

Câu trả lời:

$\Rightarrow B=\dfrac{1}{2}.\dfrac{2}{3}.\dfrac{3}{4}....\dfrac{2011}{2012}$

$\Rightarrow B=\dfrac{1}{2012}$