Math, asked by kb5454604, 3 months ago

if x²+1/x²=27find the value of x-1/x​

Answers

Answered by devansh1432
0

Step-by-step explanation:

Given :-

x²+1/x² = 27

then

(x-1/x)² = (x² + 1/x²) - 2(x × 1/x)

= 27 - 2

= 25

x - 1/x = ✓25

x - 1/x = ± 5

Now,

x - 1/x = 5 & (-5)

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