Question

Show that 1, 1/2
and –2 are the zeroes of the polynomial
2x^3+x^2-5x+2.

Answer 1

please mark it as brainliest

Answer 2

polynomal

$2 {x}^{3} + {x}^{2} - 5x + 2$
roots are
$1 \: \: \: \: \: \frac{1}{2} \: \: \: \: \: \: \: \: \: \: \: - 2$



PROOF ⇨⇨⇨



FOR 1

PUT IN EQ IN PLACE OF X


SOLUTION 1


$2 {(1)}^{3} + {1}^{2} - 5(1) + 2$
$3 - 3$
$0 \: ans$


SIMILARLY PROOF ALL