if x-1/x=7 then find the value of x2 +1/x2
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Answered by
17
★ Hi , there !! ★
x - 1 / x = 7
now , squaring both side we get ,
( x - 1 / x ) ² = (7)²
=> x² + 1 / x² + 2 = 49
=> x² + 1 / x² = 47 .
hence your answer is ★ 47 ★
hope it helps you dear !!
thanks !!!
x - 1 / x = 7
now , squaring both side we get ,
( x - 1 / x ) ² = (7)²
=> x² + 1 / x² + 2 = 49
=> x² + 1 / x² = 47 .
hence your answer is ★ 47 ★
hope it helps you dear !!
thanks !!!
Answered by
12
Hey buddy your answer is 47...
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