Question

va rog mult, repede, nu prea ma pricep la ele :(((((((
dau coroana!!!!!​

Answer 1

Răspuns:

a) = 0

b) =

Explicație pas cu pas:

a)

4/12 = simplificam cu 4 = 1/3

8/24 = simplificam cu 8 = 1/3

3/9 simplificam cu 3 = 1/3

= [ (1/3)⁴ : (1/3)² - (1/3)⁵ : (1/3)³]³ x [(-12/11)²]⁵ =

= [ (1/3)⁴⁻² - (1/3)⁵⁻³]³ x (-12/11)¹⁰ =

= [(1/3)² - (1/3)²]³ x (-12/11)¹⁰ =

= 0 x (-12/11)¹⁰ =

= 0  

b)

= [(-3/4)⁶⁻⁴ + (1/2)⁷⁻⁵]³ x  (39/16) =

= [(-3/4)² + (1/2)²]³ x (39/16) =

= [9/16  + 1/4]³ x (39/16) =

= [(9+4/16)]³ x (39/16) =

= (13/16)³ x (3x13/16) =

= 3 x (13/16)⁴