Show that √2 is a zero of the polynomial p(x) = 7x2 − 2√8 x − 6.
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Step-by-step explanation:
p(x)=
is a factor of x+3
by factor theorem if p(-3)=0 then x+3 is a factor of P(x)
sot let's check it
p(3)=
=81-27-63+3+6
=90-90
=0
hence we proved that x+3 is a factor of given expression..
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Step-by-step explanation:
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