If x + 1/x = 11, find the value of x2 + 1/x2
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Answers
Answered by
8
hey your ans is here
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given
x+1/x=11
to find
x2+1/x2
apply the identity
(x+1/x)2=x2+1/x2+2
(11)2=x2+1/x2+2
121-2=x2+1/x2
119=x2+1/x2
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______
given
x+1/x=11
to find
x2+1/x2
apply the identity
(x+1/x)2=x2+1/x2+2
(11)2=x2+1/x2+2
121-2=x2+1/x2
119=x2+1/x2
______
Answered by
11
Heya!!
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⇔x+1/x=11. To find x²+1/x²
⇒Square both sides
⇒(x+1/x)²=11²
⇒x²+1/x²+2(x)(1/x)=121. X get cancel
⇒x²+1/x²=121-2.
⇒x²+1/x²=119
Hope this helps you ☺
______
⇔x+1/x=11. To find x²+1/x²
⇒Square both sides
⇒(x+1/x)²=11²
⇒x²+1/x²+2(x)(1/x)=121. X get cancel
⇒x²+1/x²=121-2.
⇒x²+1/x²=119
Hope this helps you ☺
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