Question

(+3/2)-2 + (2/3)-2

a)97/36
b)98/36
c)36/97
d)36/98
e)36/95

Answer 1

${( \frac{3}{2} )}^{ - 2} + { (\frac{2}{3}) }^{ - 2} = \\ ( { \frac{2}{3}) }^{2} + ( { \frac{3}{2} )}^{2} = \\ \frac{4}{9} + \frac{9}{4} = \\ \frac{16}{36} + \frac{81}{36} = \\ \frac{97}{36}$
Resposta A