Question

56 Calcule

d) 3^2+3^-2
e)5^0-(-1)_(-1/2)^2
f) (1/2)^-1+(1/2)^2

Answer 1

letra d) 9 + (1/3)^{2}

9 + (1/9) = 

9/1 + 1/9 = 

81/9 + 1/9 = 82/9 

letra e) 1 + 1 + 1/4

4/4 + 4/4 + 1/4 = 9/4

letra f) 2/1 + (2/1)^2 =

2/1 + 4/1 = 6/1