Violympic toán 9
Các câu hỏi tương tự
giải pt \(\sqrt{2}\left(x^2+8\right)=5\sqrt{x^3+8}\)
H24
22 tháng 6 2021 lúc 17:03
Giải pt:
\(\left(\sqrt{x+6}-\sqrt{x-2}\right)\left(1+\sqrt{x^2+4x-12}\right)=8\)
Giải pt:\(\sqrt{2}\left(x^2+8\right)=5\sqrt{x^3+8}\)
Giải PT: \(\left(\sqrt{x+5}-\sqrt{x+2}\right).\left(1+\sqrt{x^2+7x+10}\right)=3\)
giải pt \(\left(x+1\right)\left(2\sqrt{x^2+3}-x^2\right)+\sqrt[3]{3x^2+5}=5x+3\)
Giải pt: \(\left(3\sqrt{x}+\sqrt{x+8}\right)\left(4+3\sqrt{x^2+8x}\right)=16\left(x-1\right)\)
Giải PT: \(\sqrt{x-1}+\sqrt{x+3}+2\sqrt{\left(x-1\right).\left(x^2-3x+5\right)}=4-2x\)
BL
28 tháng 11 2019 lúc 23:30
Giải các pt sau:
a) sqrt{x+8}+frac{9x}{sqrt{x+8}}-6sqrt{x}0
b) x^4-2x^3+sqrt{2x^3+x^2+2}-20
c) 3xsqrt[3]{x+7}left(x+sqrt[3]{x+7}right)7x^3+12x^2+5x-6
d) 4x^2+left(8x-4right)sqrt{x}-13x+2sqrt{2x^2+5x-3}
e) 16x^2+19x+7+4sqrt{-3x^2+5x+2}left(8x+2right)left(sqrt{2-x}+2sqrt{3x+1}right)
f) left(5x+8right)sqrt{2x-1}+7xsqrt{x+3}9x+8-left(x+26right)sqrt{x-1}
g) sqrt[3]{3x+1}+sqrt[3]{5-x}+sqrt[3]{2x-9}-sqrt[3]{4x-3}0
Đọc tiếp
Giải các pt sau:
a) \(\sqrt{x+8}+\frac{9x}{\sqrt{x+8}}-6\sqrt{x}=0\)
b) \(x^4-2x^3+\sqrt{2x^3+x^2+2}-2=0\)
c) \(3x\sqrt[3]{x+7}\left(x+\sqrt[3]{x+7}\right)=7x^3+12x^2+5x-6\)
d) \(4x^2+\left(8x-4\right)\sqrt{x}-1=3x+2\sqrt{2x^2+5x-3}\)
e) \(16x^2+19x+7+4\sqrt{-3x^2+5x+2}=\left(8x+2\right)\left(\sqrt{2-x}+2\sqrt{3x+1}\right)\)
f) \(\left(5x+8\right)\sqrt{2x-1}+7x\sqrt{x+3}=9x+8-\left(x+26\right)\sqrt{x-1}\)
g) \(\sqrt[3]{3x+1}+\sqrt[3]{5-x}+\sqrt[3]{2x-9}-\sqrt[3]{4x-3}=0\)
1.
a, Giải pt: \(\frac{26x+5}{\sqrt{x^2+30}}+2\sqrt{26x+5}=3\sqrt{x^2+30}\)
b, Giải hệ pt: \(\left\{{}\begin{matrix}x^2+y^2=2\\\left(x+2y\right)\left(2+3y^2+4xy\right)=27\end{matrix}\right.\)