factorise the following expression p6-4p3+4
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Answer:
Step-by-step explanation:
p⁶-4p³ +4
let p³ be x
then ,
x² -4x +4 =0
x² -2x -2x +4= 0
x(x-2) -2(x-2) =0
(x-2)² =0
x =2
now p³ =2
p = (2)ˣ where x=1/3
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