Question

Para A = 4/3 e B = -2, calcule 2. A elevado a -2 + B elevado a -4

Answer 1

= 2.a^(-2) + b^(-4)

= 2 . (4/3)^(-2) + (-2)^(-4)

= 2. (3/4)² + (-1/2)⁴

= 2.9/16 + 1/16

= 18/16 + 1/16

= 19/16