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1)
![sin frac{ pi (8x+3)}{3}= -frac{ sqrt{3} }{2} \ sin frac{ pi (8x+3)}{3}= sin( -(-1)^nfrac{ pi }{3}+2 pi n ) \ frac{ pi (8x+3)}{3}= -(-1)^nfrac{ pi }{3}+2 pi n sin frac{ pi (8x+3)}{3}= -frac{ sqrt{3} }{2} \ sin frac{ pi (8x+3)}{3}= sin( -(-1)^nfrac{ pi }{3}+2 pi n ) \ frac{ pi (8x+3)}{3}= -(-1)^nfrac{ pi }{3}+2 pi n](https://tex.z-dn.net/?f=sin+frac%7B+pi+%288x%2B3%29%7D%7B3%7D%3D+-frac%7B+sqrt%7B3%7D+%7D%7B2%7D+++%5C+sin+frac%7B+pi+%288x%2B3%29%7D%7B3%7D%3D+sin%28+-%28-1%29%5Enfrac%7B+pi+%7D%7B3%7D%2B2+pi+n+%29+%5C+frac%7B+pi+%288x%2B3%29%7D%7B3%7D%3D+-%28-1%29%5Enfrac%7B+pi+%7D%7B3%7D%2B2+pi+n++)
![frac{ 8x+3}{3}= -frac{ (-1)^n }{3}+2n \ 8x+3= -(-1)^n +6n \ x= -frac{(-1)^n -6n+3}{8} \ n=0,+-1,+-2... frac{ 8x+3}{3}= -frac{ (-1)^n }{3}+2n \ 8x+3= -(-1)^n +6n \ x= -frac{(-1)^n -6n+3}{8} \ n=0,+-1,+-2...](https://tex.z-dn.net/?f=frac%7B+8x%2B3%7D%7B3%7D%3D+-frac%7B+%28-1%29%5En+%7D%7B3%7D%2B2n+%5C+8x%2B3%3D+-%28-1%29%5En+%2B6n+%5C+x%3D+-frac%7B%28-1%29%5En+-6n%2B3%7D%7B8%7D++%5C+n%3D0%2C%2B-1%2C%2B-2...)
2)
![5^{4-3x}=2,5*2^{4-3x} \ (frac{5}{2})^{4-3x}=2,5 \ (2,5)^{4-3x}=2,5 5^{4-3x}=2,5*2^{4-3x} \ (frac{5}{2})^{4-3x}=2,5 \ (2,5)^{4-3x}=2,5](https://tex.z-dn.net/?f=5%5E%7B4-3x%7D%3D2%2C5%2A2%5E%7B4-3x%7D+%5C++%28frac%7B5%7D%7B2%7D%29%5E%7B4-3x%7D%3D2%2C5++%5C+%282%2C5%29%5E%7B4-3x%7D%3D2%2C5)
4-3x=1
3x=3
x=1
3)
(x-7)⁹=-512
(7-x)⁹=2⁹
7-x=2
x=5
2)
4-3x=1
3x=3
x=1
3)
(x-7)⁹=-512
(7-x)⁹=2⁹
7-x=2
x=5
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