Math, asked by prajuktaghosh2010040, 1 month ago

evaluate by (8a)^3 -1/(8a)^3,if 2a- 1/2a =r

Answers

Answered by syamalghosh606

0

Answer:

r^3+3r

Step-by-step explanation:

(2a--1/2a)^3+3×2a×1/2a(2a--1/2a)=r^3+3r

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