Question

para x=4 qual o valor de [{x^-2}^2 +x^0,5×x^-3]/x-5​

Answer 1

x = 4

[{x^-2}^2 +x^0,5×x^-3]/x-5​

[{4^-2}^2 +4^0,5×4^-3]/4-5​

[{1/16}^2 +2×1/64]/-1

[1/256 +2/64]/-1

[1/256 +8/256]/-1

[9/256]/-1

-9/256