Question

underoot(a - b)^2 + underoot (b-a.)^ 2 is.
a) always o
b) Never o
c) positive only if a is not equal to b
d) Positive only if a is greater than b​

Answer 1

Answer:

underoot(a - b)^2 + underoot (b-a.)^ 2 is.

a) always o

b) Never o

c) positive only if a is not equal to b

d) Positive only if a is greater than b

answer - b) Never o