Question

10. If x=√2 and y= -√2, then x-y = ...... [ ]

(A) 2√2 (B) √4 (C) 0 (D) -2√2​

Answer 1

Answer:

x = root 2

y = - root 2

x-y = 2 root 2

A is the correct answer

Answer 2

Answer:

x=√2 and y= -√2

then x-y = √2-(-√2)

=√2+√2

= 2√2

hence option A is correct

HOPE THIS WILL HELP YOU