Các câu hỏi tương tự
gpt: \(\sqrt{9x^2+16}=2\sqrt{2x+4}+4\sqrt{2-x}\)
gpt: \(\sqrt{9x^2+16}=2\sqrt{2x+4}+4\sqrt{2-x}\)
gpt: \(\sqrt{9x^2+16}=2\sqrt{2x+4}+4\sqrt{2-x}\)
nốt bài cuối : GPT\(\frac{6x-4}{\sqrt{2x+4}+2\sqrt{2-x}}=\frac{12x-8}{\sqrt{9x^2+16}}\)
gpt: \(\sqrt{9x^2+16}=2\sqrt{2x+4}+4\sqrt{2-x}\)
gpt bằng pp đặt ẩn phụ k hoàn toàn:
1, \(2\sqrt{2x+4}+4\sqrt{2-x}=\sqrt{9x^2+16}\)
2, \(\left(3x+2\right)\sqrt{2x-3}=2x^2+3x-6\)
Gpt:
\(3\sqrt{2}-5\sqrt{8x}+\sqrt{18x}=28\)
\(\sqrt{16x+16}-\sqrt{9x+9}+\sqrt{4x+4}=16\sqrt{x+1}\)
26 tháng 10 2021 lúc 9:41
6) \(\sqrt{x^2+12x+36}=-x-6\)
7) \(\sqrt{9x^2-12x+4}=3x-2\)
8) \(\sqrt{16-24x+9x^2}=2x-10\)
9) \(\sqrt{x^2-6x+9}==2x-3\)
10) \(\sqrt{x^2-3x+\dfrac{9}{4}}=\dfrac{3}{x}x-4\)
GPT: \(\sqrt{x+4}+\sqrt{x-4}=2x-12+2\sqrt{x^2-16}\)