Cho
A= 1/4+1/16+1/36+1/64+1/100+1/144+1/196+1/256+1/324+1/400. Chứng minh A < 1/20
Chứng minh rằng:A=(1/4)+(1/16)+(1/64)+(1/100)+(1/144)+(1/196)+(1/256)+(1/324)<1/2
Chứng mình rằng:A=1/2+1/16+1/36+1/64+1/100+1/144+1/196+1/256+1/324<1/2
Chứng minh rằng A = 1/4+1/16+1/36+1/64+1/100+1/144+1/196+1/256+1324 < 1/2
A = 1/4+1/16+1/36+1/64+1/100+1/44+1/196+1/256+1/324
Chứng minh A<1/2
(làm chi tiết giùm mình nha❤)
chứng minh rằng a 1/4 +1/16+1/36+1/64+1/100+1/144 +1/196+......+1/10000 <1/2
Cho A=1/4+1/16+1/36+1/64+1/100+1/144+1/196. Chứng minh rằng A < 1/2
chứng minh rằng
1/4+1/16+1/36+1/64+1/100+1/144+1/196<1/2
Chứng minh rằng 1/4 + 1/16 + 1/36 + 1/64 + 1/100 + 1/144 +1/196 + ... + 1/10. 000<1/2
