aspenlei aspenlei

21-08-2017
Mathematics

contestada

Find the roots of the function.
ƒ(x) = x^2 + 81

x = -81i, 81i
x = -81, 81
x = -9, 9
x = -9i, 9i

Respuesta :

tahanirish tahanirish

21-08-2017

the answer is -9i , 9i
x^2+81=0
x^2=-81
x=√-81
=9i,-9i

Answer Link

yoboiajeccles yoboiajeccles

21-09-2020

Answer:

For quick answer its -9i,9i

Answer Link

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