Math, asked by lienkhongthang, 11 months ago

5x+1/x=10, then x²+1/25x² is equal to

Answers

Answered by Sreesha

2

Answer:

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#answerwithquality #bal

Step-by-step explanation:

5x+1/x=10

squaring

25x² + 1/x² + 2*5x*1/x = 100

⇒ 25x² + 1/x² = 90

dividing thru out by 25

x² + 1/25x² = 90/25

= 18/5

= 3.6

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