Question

two rational number whose product is a rational number a) 3-√2,3+√2 b) 3+√2,3+√2 c) 3-√2,3-√2 d) none of these​

Answer 1

Answer:

correct option will be (a)

Step-by-step explanation:

rational number are

R1= 3-√2

R2=3+√2

product =R1×R2= (3-√2)(3+√2)=(3)^2-(√2)^2

9-2=7