Math, asked by parweenbano1980, 2 days ago

if a-1/a=5 and a+1/a=5√29 find a²+1/a²=​

Answers

Answered by sandy1816
4

a +  \frac{1}{a}  = 5 \sqrt{29}  \\  \\ ( {a +  \frac{1}{a} })^{2}  = 725 \\  \\  {a}^{2}  +  \frac{1}{ {a}^{2} }  + 2 = 725 \\  \\  {a}^{2}  +  \frac{1}{ {a}^{2} }  = 723

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