X E M L Ạ I C H Ủ Đ Ề |
shang |
Giai? phuong trinh`
2mu~x + 6mu~x = 3mu~x + 5mu~x
THIEU GIA HO NGUYEN TEN HAI
|
TUNHANVUONG |
minh se gui bai nay trong thoi gian som nhat, da co cach giai nhung dai vi the ban nen dua dia chi hop thu de minh gui toi cho
|
might |
Co ai giai dum bai tich phan nay ko
Tinh tich phan cua X^2:can bac hai(X^2+1)
|
TUNHANVUONG |
neu da goi la tinh tich phan khong co can thi nen goi la tich phan bat dinh hay la nguyen ham, con da la tich phan xac dinh phai co can , lam on ghi lai la tinh tich phan cua cai gi chu, x^2 nghia la x.x hay la sao chu, gui len nhanh minh se gui dap an cho
|
vualuoi |
ne` bai tich phan lam theo huong nay nhe
dat can bac hai( X^2+1)= t => X^2= t^2-1
tich pahn thanh` la (t^2-1)/t
<=> (t- 1/t)dt = t^2/2- ln(t)+ c
dung ko ha may nhoc'
co gi ve yich phan thi cu hoi tui nhe, tui chi thich co hoc tich phan thui ma` |
vualuoi |
trích:
neu da goi la tinh tich phan khong co can thi nen goi la tich phan bat dinh hay la nguyen ham, con da la tich phan xac dinh phai co can , lam on ghi lai la tinh tich phan cua cai gi chu, x^2 nghia la x.x hay la sao chu, gui len nhanh minh se gui dap an cho
ne` sao u gioi nhi, that do, mong duoc u chi giao cho vai duong co ban, i moi ngo ngoe vao day thoi ma,nen phai thich giao su phu ma
|
shang |
dia chi? cua? tui la` chipheo_18@yahoo.com
THIEU GIA HO NGUYEN TEN HAI
|
TUNHANVUONG |
xin chao vua luoi, ban muon thu suc voi cac cau tich phan thi minh se giup ban vua y, ngay mai minh se gui len bai toan vui lam, ban nghi sao neu ban lap mot chu de ve tich phan rieng chung ta se trao doi kinh nghiem, con shang hinh nhu la chua on ki phan tich phan,to hop thi phai
|
vualuoi |
okie lien thoi. Nhung thuc ra tui chi biet lam thoi chu bao lap ra1 chu de rieng ve tich pahn thi hoi lam kho tui qua, thoi hay u lam di rui chung ta cung trao doi vay. |
shang |
cai' phan` tick phan voi' to? hop nay` tui ko thick nen chi hoc qua thui hi` co' gi` xin cac bac chi? giao' them
THIEU GIA HO NGUYEN TEN HAI
|
shang |
cai' phan` tick phan voi' to? hop nay` tui ko thick nen chi hoc qua thui hi` co' gi` xin cac bac chi? giao' them
THIEU GIA HO NGUYEN TEN HAI
|
hoainiemcu1269 |
hic , mail cua tui la hoainiemcu134@yahoo.com
Hi vong ban se send cho minh loi giai. Kho qua di mat .
|
shang |
Bac gi` oi sao mai~ ko gui? bai` y' cho em vay em doi bac thanh` huou cao co? rui` ne`
THIEU GIA HO NGUYEN TEN HAI
|
TUNHANVUONG |
trong vong 3 ngay minh se gui loi giai cho ban, chua den luc phai doi ten dau
|