Question

If 5x + 1/x = 6,
Then show that 25x² + 1/x² = 26​

Answer 1

Step-by-step explanation:

5x + 1/x = 6

Squaring on both sides,

(5x + 1/x)^2 = 6^2

(5x)^2 + 2(5x)(1/x) + (1/x)^2 = 36

25x^2 + 2(5) + 1/x^2 = 36

25x^2 + 10 +1/x^2 = 36

25x^2 + 1/x^2 = 26

Hence, proved...

Hope it is useful...

Answer 2

Answer:

,

Step-by-step explanation:

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