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
gia tri lon nhat cua P=-x^2-3x+9
1. cho x+y=7 va xy=8 gia tri cua bieu thuc x3+y3 = ?
2. gia tri lon nhat cua bieu thuc B= 1+3x-x2 la ?
1. cho x+y=7 va xy=8 gia tri cua bieu thuc x3+y3 = ?
2. gia tri lon nhat cua bieu thuc B= 1+3x-x2 la ?
1. hinh thoi co chu vi =25 cm .độ dai canh cua hinh thoi la ? cm
2.gia tri nho nhat 2x2-8x+5 dat tai x = ?
3.gia tri lon nhat cua 8x-2x2+5 dat tai x =?
4. tap hop cac gia tri cua n de 2n2-n+4 chia het cho 2n+1 la ?
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
tim gia tri lon nhat cua M= -3x^2-6x+9