Question

if x-1/x=5 find the value of x2+1/xandx4+1/x4​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

( x - 1/x ) = 5

Square on both sides,

( x - 1/x )² = 5²

=> x² + 1/x² - 2 = 25

=> x² + 1/x² = 27 [ 1 answer ]