Question

if x minus 5 is a factor of cubic polynomial x cube minus 305 X square + 3 x minus 3 root 5 find all the zeros of polynomial

Answer 1

when we divide x-root5 by the cubic polynomial the quotient comes out to be
x sq-root 2x+3
by applying the middle term,
so the zeroes of the polynomial are -- -1 and root3.
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