Các câu hỏi tương tự
bai 1:tim GTNN cua bieu thucAx2+3x+7B(x-2)(x-5)(x2-7x-10)bai 2:tim GTLN cua bieu thucA11-10x-x2B[x-4](2-[x-4])bai 3:tim x,y sao choA2x2+9y2-6xy-6x-12y+2016 co GTNNB-x2+2xy-4y2+2x+10y-8 co GTLNbai 4 :a)cho x+y3;x2+y25.tinh x3+y3b)cho x-y5;x2+y215.tinh x3-y3
Đọc tiếp
bai 1:tim GTNN cua bieu thuc
A=x2+3x+7
B=(x-2)(x-5)(x2-7x-10)
bai 2:tim GTLN cua bieu thuc
A=11-10x-x2
B=[x-4](2-[x-4])
bai 3:tim x,y sao cho
A=2x2+9y2-6xy-6x-12y+2016 co GTNN
B=-x2+2xy-4y2+2x+10y-8 co GTLN
bai 4 :
a)cho x+y=3;x2+y2=5.tinh x3+y3
b)cho x-y=5;x2+y2=15.tinh x3-y3
tim GTLN cua bieu thuc B=14+2x-2x2
1/Tim GTLN cua bieu thuc \(M=\frac{4x^2}{x^4+1}\)
2/ Biet x+y =2. GTNN cua bieu thuc A=3x2+y2 là?
ban nao giai cho minh thi minh xin tang ban do 20 like.
tim GTLN hoac GTNN cua bieu thuc B= -x2-8x+5
Tim GTNN cua bieu thuc :
a) A = 11 - 10x -x2
b) B = / x - 4 / . ( 2 - / x - 4 / )
P/s : / la tri tuyet doi nha :)
tim GTNN cua bieu thuc C=x3-3x+2017
tim GTLN hoac GTNN cua bieu thuc C= -x2+6x+1
tim GTNN va GTLN cua bieu thuc E= 2x2 +20x-43
tim GTLN hoac GTNN cua bieu thuc D= -3x2 +12x+11