Question

if x+1/x=5/2 find x-1/x​

Answer 1

Answer:

-2

Step-by-step explanation:

x+1/x = 5/2

by cross multiply

5x = 2x+1

5x-2x = 1

3x = 1

x = 1/3

x-1/x = (1/3-3)/1/3

x-1/x = -2/3 × 3 ( by LCM and reciprocal )

x-1/x = -2

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