If (x-a) is a multiple of
[tex]x {}^{3} – ax {}^{2} – 2x + 5a – 7[/tex]
then find the value of “a”.​

1 thought on “If (x-a) is a multiple of <br />[tex]x {}^{3} – ax {}^{2} – 2x + 5a – 7[/tex]<br /> then find the value of “a”.​”

1. Answer:

   a= 7/3

   Step-by-step explanation:

   if x – a is a multiple of this equation then x = a is factor of this equation so ,

   (a)³ – a(a)² -2a+5a-7=0

   a³ – a³ + 3a – 7 = 0

   3a= 7

   a= 7/3

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