If x = 5 – 2 root 6 then find the value of x² +1/x^2​

Question

If x = 5 – 2 root 6 then find the value of x² +1/x^2​

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Margaret 1 month 2021-08-13T06:50:00+00:00 1 Answer 0 views 0

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  1. Charlotte
    0
    2021-08-13T06:51:11+00:00

    ans:98

    Step-by-step explanation:

    x=5-2√6

    or, 1/x=5+2√6

    x²+1/x²=25-2×5×2√6+(2√6)²+25+2×5×2√6+(2√6)²

    =25+25+24+24

    =98

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