Question

2. Is the number (3 - V7) (3 + V7) rational or irrational ? Justify your answer.​

Answer 1

Step-by-step explanation:

it

is rational number

(3-√7)(3+√7)=( (3)^2-(√7)^2))

=(9-7)=2. it is a rational number because it can be wriiten in the form of 2÷1