giaỉ pt:
a, \(\sqrt{x +1}+2\left(x+1\right)=x-1+\sqrt{1-x}+3\sqrt{1-x^2}\)
b, \(14\sqrt{x+35}+6\sqrt{x+1}=84+\sqrt{x^2+36x+35}\)
c, \(x\sqrt{2x+3}+3\left(\sqrt{x+5}+1\right)=3x+\sqrt{2x^2+13x+15}+\sqrt{2x+3}\)
giải pt:
a,\(\left(13-4x\right)\sqrt{2x-3}+\left(4x-3\right)\sqrt{5-2x}=2+8\sqrt{-4x^2+16x-15}\)
b,\(\left(9x-2\right)\sqrt{3x-1}+\left(10-9x\right)\sqrt{3-3x}-4\sqrt{-9x^2+12x-3}=4\)
c, \(\left(6x-5\right)\sqrt{x+1}-\left(6x+2\right)\sqrt{x-1}+4\sqrt{x^2-1}=4x-3\)
a) \(2sin\left(x+\dfrac{\pi}{3}\right)+1=0\)
b) \(1+2sin\left(x-30^o\right)=0\)
c) \(\sqrt{3}+2sin\left(x-\dfrac{\pi}{6}\right)=0\)
d) \(2sin\left(x+10^o\right)+\sqrt{3}=0\)
e) \(\sqrt{2}+2sin\left(x-15^o\right)=0\)
f) \(\sqrt{2}sin\left(x-\dfrac{\pi}{3}\right)+1=0\)
g) \(3+\sqrt{5}sin\left(x+\dfrac{\pi}{3}\right)=0\)
h) \(1+sin\left(x-30^o\right)=0\)
i) \(3+\sqrt{5}sin\left(x-\dfrac{\pi}{6}\right)=0\)
k) \(2\sqrt{2}sin^2x-sin2x=0\)
giải pt :
a, \(3x^2+3x+2=\left(x+6\right)\sqrt{x^2-2x-3}\)
b, \(\sqrt{x}+\sqrt{x+1}=\sqrt{x^2+x}+1\)
c, \(\sqrt{x^2-8x+15}+\sqrt{x^2+2x-15}=\sqrt{x^2-9x+18}\)
giải phương trình :
a, \(\dfrac{4x-1}{\sqrt{4x-3}}+\dfrac{11-2x}{\sqrt{5-x}}=\dfrac{15}{2}\)
b, \(\left(\sqrt{5x-1}+\sqrt{x-1}\right)\left(3x-1-\sqrt{5x^2-6x+1}\right)=4x\)
giải phương trình :
a, \(\left(\sqrt{5x-1}+\sqrt{x-1}\right)\left(3x-1-\sqrt{5x^2-6x+1}\right)=4x\)
b, \(2\left(\sqrt{x}-\sqrt{x-1}\right)\left(1+\sqrt{x^2-1}\right)=x\sqrt{x}\)
giải phương trình :
a, \(\left(\sqrt{5x-1}+\sqrt{x-1}\right)\left(3x-1-\sqrt{5x^2}-6x+1\right)=4x\)
b, \(2\left(\sqrt{x}-\sqrt{x-1}\right)\left(1+\sqrt{x^2-1}\right)=x\sqrt{x}\)
giải pt :
a,\(\left(\sqrt{5x-1}+\sqrt{x-1}\right)\left(3x-1-\sqrt{5x^2-6x+1}\right)=4x\)
b,\(2\left(\sqrt{x}-\sqrt{x-1}\right)\left(1+\sqrt{x^2-1}\right)=x\sqrt{x}\)
giải pt :
a, \(\left(2x-6\right)\sqrt{x+4}-\left(x-5\right)\sqrt{2x+3}=3\left(x-1\right)\)
b, \(\left(4x+1\right)\sqrt{x+2}-\left(4x-1\right)\sqrt{x-2}=21\)
c, \(\left(4x+2\right)\sqrt{x+1}-\left(4x-2\right)\sqrt{x-1}=9\)
d, \(\left(2x-4\right)\sqrt{3x-2}+\sqrt{x+3}=5x-7+\sqrt{3x^2+7x-6}\)