Question

Find a if x^3- x² + ax + 7 is divisible by x-2

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Answer 1

Answer:

x-2=0,x=2

Step-by-step explanation:

${x}^{3} - {x}^{2} + ax + 7 = 0 \\ 8 - 4 + 2a + 7 = 0 \\ 11 + 2a = 0 \\ 2a = - 11 \\ a = - \frac{ - 11}{2}$

Answer 2

ANSWER:-

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