the polynomial 2x³-kx+7x-1 when divided by x-1 leaves the reminder 3. find the value of k
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It can be best done using remainder theorem
Regard x-1 = 0
Therefore, x= 1
P(1) = 2*1-k*1+7*1-1
= 2-k+7-1 = 3 ( remainder is 3)
9-1-k=3
8-k=3
-k=-5
K=5
Regard x-1 = 0
Therefore, x= 1
P(1) = 2*1-k*1+7*1-1
= 2-k+7-1 = 3 ( remainder is 3)
9-1-k=3
8-k=3
-k=-5
K=5
sanjanaakkinap:
thanks a lot
Welcome bro
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