Resposta :
Resposta:
[tex]p=\frac{2\pi }{c} \\\\p=\frac{2\pi }{8} \\\\p=\frac{\pi }{4} \\\\Im =[a -b,a+b]\\\\im=[3-(-1),3-1]\\\\im=[3+1,2]\\\\im =[4,2]=[2,4][/tex]
Resposta:
[tex]p=\frac{2\pi }{c} \\\\p=\frac{2\pi }{8} \\\\p=\frac{\pi }{4} \\\\Im =[a -b,a+b]\\\\im=[3-(-1),3-1]\\\\im=[3+1,2]\\\\im =[4,2]=[2,4][/tex]