Math Question and Answers


Question and Answers Forum

All Questions Topic List
Algebra Questions
Previous in All Question Next in All Question
Previous in Algebra Next in Algebra
Question Number 76203 by Master last updated on 25/Dec/19

Commented by Master last updated on 25/Dec/19

$example :$ $\sqrt[3]{- 8} = ?$ ${(- 8)}^{\frac{1}{3}} = ?$
Commented by mr W last updated on 25/Dec/19

$t w o w r i t i n g f o r m s f o r o n e a n d t h e$ $s a m e t h i n g .$ $x^{\frac{1}{n}} = \sqrt[n]{x} f o r n \in N$
Commented by Master last updated on 25/Dec/19

$? ? ?$
Commented by Master last updated on 25/Dec/19

Commented by Tony Lin last updated on 25/Dec/19

$h o w a b o u t x^{\frac{2}{6}} ?$ ${(- 8)}^{\frac{1}{3}} \neq {(- 8)}^{\frac{2}{6}}$
Commented by Tony Lin last updated on 25/Dec/19

$b u t - 8 \neq N$
Commented by turbo msup by abdo last updated on 25/Dec/19

$z^{3} = - 8 i n s i d e R o n e s o l u t i o n$ $- 2 =^{3} \sqrt{- 8}$ $i n s i d e C z^{3} + 8 = 0 \Leftrightarrow$ $(z + 2) (z^{2} - 2 z + 4) = 0 \Rightarrow$ $z = - 2 o r z^{2} - 2 z + 4 = 0$ $Δ^{^{'}} = 1 - 4 = - 3 = {(i \sqrt{3})}^{2}$ $z_{1} = 1 + i \sqrt{3} a n d z_{2} = 1 - i \sqrt{3}$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum