Is the square root of two rational numbers
1. sometimes rational
2.always rational
3. never rational

answer: .always rational

step-by-step explanation:

rational numbers can be written as the quotient of two integers where the denominator is not zero.

you should at least use a calculater

step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐