Question

what is the conjugate of -2 + √(5)

Answer 1

A conjugate is the opposite binomial form of your function.

Answer 2

In this case, you would use the opposite operator in your function.
main function: \(-2 + \sqrt{5}\)
Conjugate: \(-2 \sqrt{5}\)

Answer 3

Conjugate of a complex number is simply a reversal of sign for the imaginary part.
\[-2+\sqrt{5}\]
Conjugate:\[-2-\sqrt{5}\]

Answer 4

When you multiply a complex number by it's conjugate, you get a real number.

Answer 5

oh did I make a typo...

Answer 6

Yes i did, lol.

Answer 7

I meant the conjugate to be \( -2 - \sqrt{5}\). Whoops.