Question

who is a formula ? explain with the help of an example​

Answer 1

Answer:

A formula is a fact or rule that uses mathematical symbols. It will usually have: an equals sign (=) two or more variables (x, y, etc) that stand in for values we don't know yet.

Example :

x = −b ± √b²-4ac/2a

Answer 2

Answer:

A formula is what from which we can make any thing in our labs we can solve any problem in math.

Explanation:

For eg: "a²+b²= a²+b²+2ab" is a math problem

H + O2 = 2H2O is a chemical formula for water