Question

If (x-d) is a factor of ×^3 -mx2+ 10x-20 then find the value of m
solution: (×-1) is a factor of p(×) p(1) =
___________ p(×) =×3 - m×2 +10 × -20 p(1)=(1)3-m(1)2+10(1)-20=20
1-_________+10-20=0
-m-__________=0
m=________
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Answer 1

Answer:

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