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if x = 2 + i then find x 4 - 2x 3 + 10x + 1

if x = 2 + i then find x- 2x+ 10x + 1

Grade:11

2 Answers

Mohammad Kavish
36 Points
7 years ago
Put value of x in the equation (2+i)4-2(2+i)3+10(2+i)+1 and u will get 10 as answer.Approve if useful
ishita
18 Points
7 years ago
this will make the question very complicated i used remainder theorem for it by x – 2 =i and squaring both sides
then x2 – 4x + 5 = 0 and then putting its value in the equation so i got 1 as the answer pls rechec and find whether is the correct answer

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