Question

find a number in AP whose sum is 12 1/2 and the ratio of first to the last is 2:3​

Answer 1

Step-by-step explanation:

Crystallization or crystallisation is the process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which crystals form are precipitating from a solution, freezing, or more rarely deposition directly from a gas.