Question

Q.no.1. Expand it . [2m+1/5]^3​

Answer 1

Step-by-step explanation:

[2m+1/5]³

It is in the form (a+b)³ = a³ + 3a²b + 3ab² + b³

(2m+1/5)³ = (2m) ³ + 3(2m)²(1/5) + 3(2m)(1/5)² + (1/5)³

= 8m³ + 3(4m²)(1/5) + 6m(1/25) + 1/125

= 8m³ + 12m²/5 + 6m/25 + 1/125

Answer 2

Answer:

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