Answer: a= 3r^6-b b=0
Step-by-step explanation:
take the root of both sides and solve
Answer:
a= 3 and b = 6
(a r^b)^4 = 81 r^24
(r^b)^4 = r^24
Therefore b*4 = 24
so b = 6
and a^4 = 81
so a = 3
Answer a = 3 and b = 6
