Question

Alguem poderia me ajudar a resolver essa conta: x=(-⅓)²+[3-¹ -(-3)-¹]-²

Answer 1

Ola Arrudabiia

x = (-1/3)² + (3^-1 - (-3)^-1)^-²

x = 1/9 + (1/3 - (-1/3))^-²

x = 1/9 + (2/3)^-²

x = 1/9 + 9/4 = 4/36 + 81/36 = 85/36 

Answer 2

        X = (-1/3)² + [3-¹ - (-3)-¹] -² =
        X = 1/9 + [1/3 - (-1/3)] -² =
        X = 1/9 + [1/3 + 1/3] -² =
        X = 1/9 + [2/3] -² =
        X = 1/9 + [3/2] ² =
        X = 1/9 + 9/4 =  mmc(4,9) = 36
        X = 4/36 + 81/36 =
        X = 85/36