my sweet sister ....please give me ans
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Hi Mate!!
Squaring both sides
{ √x + ( 1 / √ x ) }² = 3²
=>. { x + ( 1 / x ) +2 } = 9
=>. x + ( 1 / x ) = 7
x² + ( 1 / x² ) = { x + ( 1 / x ) }² -2
{ x² + ( 1 / x² ) } = 49 -2
=>. { x² + ( 1 / x² ) } = 47
=>. Have a nice time. <=
Squaring both sides
{ √x + ( 1 / √ x ) }² = 3²
=>. { x + ( 1 / x ) +2 } = 9
=>. x + ( 1 / x ) = 7
x² + ( 1 / x² ) = { x + ( 1 / x ) }² -2
{ x² + ( 1 / x² ) } = 49 -2
=>. { x² + ( 1 / x² ) } = 47
=>. Have a nice time. <=
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