Question

pls kk/bg bantu plss​

Answer 1

Jawab :

13/18

Penjelasan:

A²× = 2

A× = √2

(a⁵× - a-⁵×) / (a³× + a-³×) = ((a×)⁵ -

(a×) / ((a×)³ + (a×)-³) = ((√2)⁵ -

1/(√2)⁵) / ((√2)³ + 1/(√2)³) = (4√2-

1/4√2) / (2√2 + 1/2√2) =((32-

1)/4√2) / ((8+1)/2√2) = (31/4√2)/

(9/2√2 =

(31/2)/(9/1) = 31/18