Question

If + =√2 , show that - =√2 .

Answer 1

Answer:

Therefore shown

Step-by-step explanation:

+=√2

(+)^2 = (√2)^2

+^2 = 2

+ = √2

Sq root of a number can constitute of both +ves or both -ves

So,

+=-√2

Sign transfer results,

-  = √2