Question

The polynomial y3 - my2 + 4y + 6 when divided by y + 2 leaves remainder 10
find the value of m.
pls answer I will mark brainliest
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Answer 1

Answer:

y+2=0

=>y=-2

Now,

y3-my2+4y+6=10

=(-2)3-m(-2)2+4(-2)+6=10

=-8+2m2-8+6=10

=-10+2m2=10

=2m2=10+10

=20

m2=20/2

=10

m=√10