if x + 1/ x = 8, find the value of xsquare + 1/x?​

Question

if x + 1/ x = 8, find the value of xsquare + 1/x?​

in progress 0
Aaliyah 1 month 2021-08-18T18:39:55+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-18T18:41:12+00:00

    Answer:

    Step-by-step explanation:


    \* By algebraic identity:


    a² + b² = (a+b)² – 2ab */


    Therefore,

    Step-by-step explanation:

    0
    2021-08-18T18:41:41+00:00

    Answer:

    (x+\frac{1}{x}) ^{2} = x^{2}  +\frac{1}{x^{2} } + 2(x)(\frac{1}{x} )\\\\8^{2} = x^{2}  +\frac{1}{x^{2} } + 2\\\\64 - 2 = x^{2}  +\frac{1}{x^{2} }\\\\x^{2}  +\frac{1}{x^{2} } = 62

    Step-by-step explanation:

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )