## i^2 why is it -1 when you can show it is 1?

From i2=1 you cannot conclude that i=1, just like from (2)2=4 you cannot conclude that 2=4. The symbol a is by definition the positive square root of a and is only defined for a0.

Don't Forget to comment

HI i am mohammed  a Embedded Software Developer ,SEO specialist,Electronic engineer   Read more