2a-1/2a=3 , then find the value of 8a^3-1/8a^3
Answers
Answered by
0
Answer:
mark me brainlyest
Step-by-step explanation:
l don't know sorry
Answered by
4
Step-by-step explanation:
2a-1/2a=3
2a-1=3×2a
2a-1=6a
2a-6a=1
-4a=1
a=-1/4
2. 8a^3-1/8a^3
8a^2/8a^3 = 8(-1/4)^2 /8(-1/4)^3
= 8(-1/16) / 8(-1/48)
= (-1/2) / (-1/6)
= 3 is correct answer
Similar questions