. Considere a equação ( y^2+2xy )dx- x^2 dy=0 . a) Mostre que essa equação não é exata b) Mostre que multiplicar os dois lados da equação por y^(-2) gera uma nova equação que é exata c) Use a solução da equação exata resultante para solucionar a equação original. d) Algumas soluções foram perdidas no processo?

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given