Please answer 10 to 15
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10) a^2 +1/a^2=23
(a+1/a)^2 -2=23
(a+1/a)2=23+2
(a+1/a)^2=25
((a+1/a)=5
11). x^2 +1/x^2=51
(x-1/x)^2+2=51
(x-1/x)^2=49
(x-1/x)=7
(a+1/a)^2 -2=23
(a+1/a)2=23+2
(a+1/a)^2=25
((a+1/a)=5
11). x^2 +1/x^2=51
(x-1/x)^2+2=51
(x-1/x)^2=49
(x-1/x)=7
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