`3 sqrt(x)-1=40`
`=>3 sqrt(x)=39`
`=>sqrt(x)=13`
`=>(sqrt(x))^2=13^2`
`=>x=13^2=169`
`3 sqrt(x)-1=40`
`=>3 sqrt(x)=39`
`=>sqrt(x)=13`
`=>(sqrt(x))^2=13^2`
`=>x=13^2=169`
\(\sqrt{x+1}+2\)=0
\(3\sqrt{x+1}=40\)
\(3\sqrt{x}+1=40\) tìm x
\(\sqrt[3]{x}+1=40\)tìm X
So sánh \(A=\sqrt{20+1}+\sqrt{40+2}+\sqrt{60+3}\) và \(B=\left(\sqrt{1}+\sqrt{2}+\sqrt{3}\right)+\left(\sqrt{20}+\sqrt{40}+\sqrt{60}\right)\)
Tìm x biết:\(3\sqrt{x}+1=40\)
Giúp mik nha!
tìm x biết
3\(\sqrt{x}+1=40\)
3\(\sqrt{x}+1=40\)
tìm x
1) 7520 và 4510.530
2) \(\sqrt{40+2}và\sqrt{40}+\sqrt{2}\)
so sánh
\(\frac{x}{3}=\frac{y}{4}vàxy=12\)
tìm x;y
So sánh A và B :
a)
\(A=\sqrt{20+1}+\sqrt{40+2}+\sqrt{60+3}\)
\(B=\sqrt{1}+\sqrt{2}+\sqrt{3}+\sqrt{20}+\sqrt{40}+\sqrt{60}\)
b)
\(A=\frac{1}{\sqrt{121}}+\frac{1}{\sqrt{12321}}+\frac{1}{\sqrt{1234321}}+...+\frac{1}{\sqrt{12345678987654321}}\)
\(B=0,111111111\)
1/Tính A=\(0,5^3+1^3+1,5^3+...+5^3\)
biết \(1^3+2^3+3^3+...+10^3=3025\)
2/Tính:
\(\left(\frac{16}{3}-\sqrt{\frac{40}{9}}^{^0}\right)\left(\frac{17}{3}-\sqrt{\frac{40}{9}}^0\right)...\left(\frac{30}{3}-\sqrt{\frac{40}{9}}^0\right)\)