x + 1/x = 7 then find the value of x2 + 1/x2 . 2 is the power of x
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Hey your answer is
~~~~~~~~~~~~~~~~~
x+1/x =7 [°•°Given ]
To find x²+1/x²
``````````````````````````````````````
Squaring on the both sides
------------------------------------------
x²+1/x²=7²
=>x² + 2 . x. 1/x + 1/x² =49
=>x²+1/x² = 49-2
=>x²+1/x² = 47
•°•Your answer is 47
~~~~~~~~~~~~~~~~~
x+1/x =7 [°•°Given ]
To find x²+1/x²
``````````````````````````````````````
Squaring on the both sides
------------------------------------------
x²+1/x²=7²
=>x² + 2 . x. 1/x + 1/x² =49
=>x²+1/x² = 49-2
=>x²+1/x² = 47
•°•Your answer is 47
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