Question

Dau coroanaaaaaaaaaaa

Answer 1

Răspuns:

Explicație pas cu pas:

a(2/3)^x=(2)^5/(3)^5=(2/3)^5   ⇒x=5

b)(3/2)^x=225/100=9/4=(3/2)²    ⇒x=2

c)(1/7)X=2/98=1/49=(1/7)²   ⇒x=2

d)(125/50)^x=(5/2)³  ⇒(5/2)^x=(5/2)³   ⇒x=3

Answer 2

Uite exercițiul in poza