Math, asked by ashpT, 6 months ago

a= 5+2√6 find a^2+1/a^2​

Answers

Answered by rajrsharma2007
11

Answer:

Formula

(a+b)

2

=a

2

+b

2

+2ab

=>a

2

+b

2

=(a+b)

2

−2ab

Given, a+b=5 and ab=6

So, a

2

+b

2

=(a+b)

2

−2ab=5

2

−2×6=25−12=13

Step-by-step explanation:

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Answered by nikhitamaity2020
0

Step-by-step explanation:

_2×6=25_12=13

I think this answer is right

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