giai phuong trinh: \(x + {x\over x^2-2} = 2+{ 2\over x}\)
ai lam duoc minh se tick cho ban do ( nho lam chi tiet )
giai phuong trinh : x + \({x\over x^2-2}\) =2 + \( { 2\over x}\)
AI LAM DUOC MINH SE CHO 1 TICK ( NHO LAM CHI TIET )
giai phuong trinh (x-1)^2016+(x-2)^2016=1
cac ban lam giup bai nay cho minh vs. minh dang can gap. thank you nhiu
giai pt x y thuoc z : 1+x+x^2+x^3=2^y [lam on nha]ko ai lam dc ah
CHO MINH HOI VS
x^2 - 2x -3m^2 = 0 voi m la tham so
1) giai phuong trinh khi m=1
2) tim tat ca gia tri cua m de phuong trinh co 2no x1,x2 khac 0 thoa dieu kien x1/x2 - x2/x1 = 8/3
1)Giai phuong trinh:
a) x4+4x2-5=0
b)Cho phuong trinh: x2-2(m+1)x+m2+3m-4=0(1)
Giai phuong trinh khi m=2Chung minh phuong trinh luon co nghiem voi moi m.Goi x1,x2 la nghiem cua phuong trinh,tim m de thoa man dieu kien:x12+x22=10giai phuong trinh va he phuong trinh sau:
x2 + 5x -6=0
b{4x+5y=3
{x-3y=5
giai mau giup toi nhe cac ban
Trong mot cuoc thi giai toan co 32 ban tham gia.Moi ban phai giai 5 bai bang cach cho diem nhu sau:
Moi bai dung 2 diem,moi bai sai hoac ko lam se bi tru 1 diem.Diem thap nhat cua moi ban la 0 diem:
Chung minh:it nhat 7 ban co so diem bang nhau
Cho phuong trinh : x2 +( 2m-1 )x +2(m-1) = 0
a) Giai phuong trinh khi m= 2
b) Chung minh phuong trinh co nghiem voi moi m
c) Tim m de phuong trinh co 2 nghiem x1 , x2 thoa man x1 ( x2 - 5 ) + x2 ( x1 - 5 ) = 33