giup to 3 bai nay
1. gia tri x lon nhat thoa man : x2(5x-20)=15x
2 gia tri x >0 de -3x4+12x2+1 dat gia tri lon nhat
3. tap hop cac gia tri cua x thoa man : x4+x3+2x-4=0
giup to 2 bai nay
1. gia tri x lon nhat thoa man x2(5x-2)+6=15x
2. gia tri x>0 de -3x4+12x2+1 dat gia tri lon nhat
giup to 2 bai nay
1. gia tri x lon nhat thoa man x2(5x-2)+6=15x
2. gia tri x>0 de -3x4+12x2+1 dat gia tri lon nhat
giup to 2 bai nay
1. gia tri x lon nhat thoa man x2(5x-2)+6=15x
2. gia tri x>0 de -3x4+12x2+1 dat gia tri lon nhat
1.gia tri lon nhat cua bieu thuc 7x-2x2
2.gia tri x>1 thoa man (9x-7)2=(5-2x)2
3.gia tri nho nhat cua x4+x2-5.42
1. nghiem nho nhat cua da thuc 11x-2x2-15
2.gia tri x nho nhat thoa man : 4x2+7x+3=0
3.gia tri lon nhat cua bieu thuc7x-2x2
.
1.gia tri cu m de phuong trinh 8x-7+m=x-6 co nghiem la x=-2
2.gia tri x lon nhat thoa man c+\(\sqrt{3}\)+3x2-9=0
3.tich cac gia tri x thoa man x2-\(\frac{1}{10}\)x-\(\frac{1}{5}\)=0
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?
giup to 3 bai nay
1. gia tri cua x thoa man (2x+3)(x+1)2-(2x+3)(2x-3)
2. so nghiem cua da thuc x3+6x2+11x+6 la ?
3. bieu thuc C = 8-5x-2x2 dat gia tri lon nhat tai x = ?