Question

f(x)=3xsquare -1;x=-1/roor3​

Answer 1

HERE'S IS YOUR ANSWER MATE.....;

$f(x) = 3x {}^{2} - 1$

$put \: x = \frac{ - 1}{</u></em></strong><strong><em><u>√</u></em></strong><strong><em><u>3</u></em></strong><strong><em><u>}$

$f( \frac{ - 1}{ </u></em></strong><strong><em><u>√</u></em></strong><strong><em><u>3} ) = 3( \frac{ - 1}{</u></em></strong><strong><em><u>√</u></em></strong><strong><em><u>3</u></em></strong><strong><em><u>} ) {}^{2} - 1$

$= > </u></em></strong><strong><em><u>1</u></em></strong><strong><em><u> - 1$

$= > </u></em></strong><strong><em><u>0</u></em></strong><strong><em><u>$

HOPE ITS HELPFUL.....:-)