Question

S=\(\frac{1}{2}\)+\(\frac{1}{3}\)+\(\frac{1}{4}\)+.........+\(\frac{1}{48}\)+\(\frac{1}{49}\)+\(\frac{1}{50}\)=

P=\(\frac{1}{49}\)+\(\frac{2}{48}\)+\(\frac{3}{47}\)+.........+\(\frac{48}{2}\)+\(\frac{49}{1}\)=

Tìm \(\frac{S}{P}\)

Answer 1

\(P=\left(1+\frac{1}{49}\right)+\left(1+\frac{2}{48}\right)+\left(1+\frac{3}{47}\right)+...+\left(1+\frac{48}{2}\right)+1=\frac{50}{49}+\frac{50}{48}+\frac{50}{47}+...+\frac{50}{2}+\frac{50}{50}\)

\(P=50.\left(\frac{1}{49}+\frac{1}{48}+\frac{1}{47}+...+\frac{1}{2}+\frac{1}{50}\right)=50.S\)

=> S/P = 1/50

Answer 2

Chọn Cô Loan Đi Bạn Nguyễn Đỗ Minh Châu

Answer 3

Admin kìa

Answer 4

chon tran thi loan di

Answer 5

tk cho mình nữa nha

Answer 6

Tran Thi Loan hay

~~~~

~~~

S/P = 1/50

Answer 7

k cô loan nhiều nưa đi

Answer 8

? các cậu

Answer 9

chọn cô Loan kìa mấy bạn ui

Answer 10

mình cũng chọn cô loan