How do you divide two natural numbers? Use the same concept.

How do you multiply two natural numbers? Use same concept.

What is the definition of rational and irrational numbers?

Use the formula (a+b)(c+d)=ac+cd+bc+bd

How do you add two natural numbers? Use same concept.

Just use the formula (a+b)(a-b)

What happens when we multply a given rational number with itself

Use the formula (a+b)^2= a^2+b^2+2ab

What will be the simplification of (a + b)(c + d)=ac+ad+bc+bd