solve the questions in the screenshot given below
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12) a= -√5b-(24√5)/29-61/29
b= -√5a/5-(61√5)/145-24/29 (Answer)
13) The value of (a-1/a)= -2√3
The value of (a+1/a)= 4
The value of (a^2-1/a^2)= 14 (Answer)
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