Alexandra9auguask
a fost răspuns

Determinati numarul n astfel incat:
a) (4n+1)²=3⁴ · 5²
b) n²= 2⁴ · 5⁶
c) n³=7³ · 5⁶
d) (n-1)³ = 2³ ·3⁶

Răspuns :

MFMask
(4n+1)²=(3²)².5²=(45)²
4n+1=45
4n=44
n=11
b)
n²=(4.125)²
n=500
c)
n³=(7.25)³
n=175
d)
(n-1)³=(2.9)³
n-1=18
n=19