Question

answer with full solution​

Answer 1

Answer:

Since x+1 is the factor

Remainder = 0

∴kx−2x=0

∴kx=2x

∴k=2

Step-by-step explanation:

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Answer 2

$x + 1 = 0 \\ \: \: \: \: \: \: \: \: \: \: \: \: x = - 1$

$p(x) = 0 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: p(x) = 2 \times 2 + kx \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: p( - 1) = 2 \times 2 + k( - 1) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: 0 = 4 - k \\ \: \: \: \: \: \: k = 4$

b) 4

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