Question

Aflari numarul natural * x* din egalitatile:
a) 2 la puterea x=1
b)3 la puterea x=1
c) 5 la puterea x=125
d)x la putere 3=27
e)x la puterea 4=1296

Answer 1

a) 2ˣ=1    
2ˣ=2⁰
 x=0
   
b)3ˣ=1
3ˣ=3⁰
 x=0

c) 5ˣ=125
 5ˣ=5³
x=3

d)x³=27
x³=3³
x=3

e)x⁴=1296
x⁴=6⁴
x=6

Answer 2

a. x=0
b. x=0
c. x=3
d. x=3
e. x=6