x=3+√8 find the value of x4+1/x4
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We will use simple rationalization and an identity to solve the given question.
Identity used:
(a + 1/a)^2 = a^2 + 1/a^2 + 2
Refer to the attachment.
Identity used:
(a + 1/a)^2 = a^2 + 1/a^2 + 2
Refer to the attachment.
Attachments:
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