Question

Oblicz:

a)[(-⅓)⁻³ : 2¼ - ³√1 61/64] ⁻¹

Answer 1

Oblicz:

 

a)[(-⅓)⁻³ : 2¼ -  ³√1 61/64] ⁻¹ =

= [(-3)³ : (9/4) - ∛(125/64) ]⁻¹ =

= [ (-27)*(4/9) - 5/4 ]⁻¹ =

= [  -12 - 5/4 ]⁻¹ =

= [ -48/4 -5/4 ]⁻¹ =

= (- 53/4)⁻¹ =

= (- 4/53)¹ =

= - 4/53