Question

simplify (3-√7)(3+√5) and classify that it is a rational or irrational no.​

Answer 1

Answer:

Step-by-step explanation:

(3 - root7)(3 + root5)

9 + 3root5 -3root7 + root35

It is an irrational number

Answer 2

Answer:

It is denoted mathematically as √3. It is more precisely called the principal square root of 3, to distinguish it from the negative number with the same property. The square root of 3 is an irrational number.