please answer

Asked by sandeep kundala | 23rd Feb, 2010, 10:13: PM

Expert Answer:

x2 + (1/x)2 = 50/7

x2 + 2 + (1/x)2 = 50/7 + 2

x2 + 2 + (1/x)2 = 50/7 + 2

(x + 1/x)2 = 64/7

Take square root, on both sides,

x + 1/x = 8/7 = 87/7

NOTE THAT x CAN'T BE INTEGER.

Regards,

Team,

TopperLearning.

Answered by  | 24th Feb, 2010, 06:00: AM

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