Question

1) Simplificati fractiile urmatoare pana devin ireductibile:
a) 2 la puterea 19 supra 2 la puterea 21
b) 3 la puterea 34 supra 3 la puterea 37
c) 5 la puterea 63 supra 5 la puterea 65
d) 6 la puterea 47 supra 6 la puterea 48
e) 7 la puterea 78 supra 7 la puterea 80
f) 2 la puterea 65 supra 2 la puterea 70

Answer 1

a)2^19-21=2^-2=1/2^2=1/4
b)3^34-37=3^-3=1/3^3=1/27
c)5^63-65=5^-2=1/5^2=1/25
d)6^47-48=6^-1=1/6
e)7^78-80=7^-1=1/7
f)2^65-70=2^-5=1/2^5=1/32