Question

calcule
A) X.Y
B) (X.Y)³

Answer 1

a) x * y

= 2m⁴n³  *  3m⁵n⁴

= 6m⁹n⁷

b) (x * y)³

= ( 2m⁴n³  *  3m⁵n⁴ )³

= 8m¹²n⁹ * 27m¹⁵n¹²

= 216m²⁷n²¹

c) x⁴ * y³  / y

(2m⁴n³)⁴  *  (3m⁵n⁴)³  / 3m⁵n⁴

= (2m⁴n³)⁴  *  (3m⁵n⁴)²

= 16m¹⁶n¹²  *  9m¹⁰n⁸

=  144m²⁶n²⁰

d) ( 2y² : 3x )⁴

= [ 2(3m⁵n⁴) : 3(2m⁴n³) ] ⁴

= [ 6m⁵n⁴ : 6m⁴n³ ] ⁴

= [ mn ] ⁴

= m⁴n⁴