Factorise: 8a³+1/125+12/5a²+6/25a
Answers
Answered by
0
Ans:- 8a³ + 1/125 + 12/5a² + 6/25a
= (2a)³ + (1/5)³ + 3×2a×2a×1/5 + 3×2a×1/5×1/5
= (2a + 1/5)³ (by using (a+b)³ = a³ + b³+ 3ab² + 3ba²)
= (2a + 1/5)(2a + 1/5)(2a + 1/5)
here is your answer
hope it will help you
Similar questions