a Tim gia tri nho nhat cua bieu thuc A = 31 - \(\sqrt{2x+7}\)
b , Tim gia tri lon nhat cua bieu thuc B = -9 + \(\sqrt{7+x}\)
Help me !!!
a , Tim gia tri nho nhat cua bieu thuc A = 31 - \(\sqrt{2x+7}\)
b , Tim gia tri lon nhat cuar bieu thuc B = -9 + \(\sqrt{7}+x\)b
tim GTLN,GTNN cua bieu thuc sau
D=\(\left|4x-3\right|+\left|5y+7,5\right|+17,5\)
E=\(4-\left|5x-2\right|-\left|3y+12\right|\)
Tinh gia tri nho nhat cua bieu thuc sau :
/x-3/+x2+y2+1
giup nha
tim gia tri nho nhat cua bieu thuc:
A=lx-2001l + lx-1l
Tim GTLN
a, /x - 1/ - /x - 3/
giup mk vs nha
Tim nghiem cua da thuc sau:
-2\(^{x^2}\)-8
tinh gia tri bieu thuc (x-1)^3-4x(x+1)(x-1)+3(x-1)(x^2+x+1) voi x=-2
1,tim nghiem cua cac da thuc sau
a,f(x)=(x-1).(1-3x)
b,g(x)=(2x+1).(x^2+5)
c,h(x)=x^3-4x
d,k(x)= can bac 2.x+1