Math, asked by pami8274pavn3d, 6 months ago

If a=2+√3, find the value of a²+1/a²

Answers

Answered by sandy1816

3

Step-by-step explanation:

a=2+√3

1/a=1/2+√3

1/a=2-√3/4-3

1/a=2-√3

a+1/a=4

(a+1/a)²=16

a²+1/a²+2=16

a²+1/a²=14

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