Question

DAU COROANA!!!!!!!!!!!!!!!!!! ​

Answer 1

Răspuns:

Explicație pas cu pas:

72*12^n +3*3^(n+2)*4^(n+2) =

72*12^n +3*12^(n+2) =

72*12^n +3*12^n *12^2 =

3*12^n(24 +12^2) = 3*12*12^n(2 +12) =

3*3*4*12^n*2*7 = 9*7*4*2*12^n =

63 *8*12^n