Question

1/7а^2в(1,4а^2-2,1в^3)

Answer 1

Відповідь:

9,8ва^4-14,7в^4а^2

Пояснення:

Answer 2

The expression you provided seems to be a mathematical expression involving variables "a" and "b." However, the format is a bit unclear. To provide a more accurate answer, could you please clarify the format of the expression? Specifically, are the comma-separated numbers decimal points or are they meant to represent separate terms? Additionally, please specify the mathematical operation(s) involved.