Question

2a-1/2a=3 , then find the value of 8a^3-1/8a^3​

Answer 1

Answer:

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Step-by-step explanation:

l don't know sorry

Answer 2

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