Answer :
Let's assume the opposite of the statement i.e., 3 + √5 is a rational number.


Since, a, b and 3 are integers. So,

Here, it contradicts that √5 is an irrational number.
because of the wrong assumption that 3 + √5 is a rational number.

Hence, 3 + √5 is an irrational number.
Answer:
Division is not associative.
The associative property applies only to addition and multiplication, not subtraction or division.
fales that is never gonna be proofen right
Answer:
It is ................................................................. 1
Step-by-step explanation: