Question

Me ajudem ...............................................

Answer 1

f(x)=g(x)

f(x)= (1/5)^3x^2-2

g(x)= (1/5)^-5x-4

3x^2-2= -5x-4

3x^2+5x+2=0

---> -b +- raiz(b^2-4ac)/ 2a

-5 +- raiz( 25- 4.3.2)/2.3

-5 +- 1 /6

x'= -2/3

x"= -1