Question

show that(2+√3) (2-√3) (5+√2) (5-√2) is a rational number​

Answer 1

Step-by-step explanation:

eq in the form (a+b)*(a-b)

so (2+√3)(2-√3)=4-3=1

(5+√2)*(5+√2)= 25-2=23

1*23/1= 23 is rational number

Answer 2

Answer:

you got it yo can do it selfl

Step-by-step explanation: