Question

Cho S=1/2+1/3+1/4+.....+1/49+1/50 ,

P=1/49+2/48+3/47+.....+49/1.

Tính S/P

Giúp mình với

Answer 1

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Answer 2

S= =50/50+50/49+50/48+…..+50/2 =50.(1/50+1/49+1/48+...+1/4+1/3+1/2) =50 P= P=(1/49+1)+(2/48+1)+.…+(48/2+1)+1 P= 50/49+50/48+...+50/2+50/50=1 vây s/p = 1/50