Question

If a=3+2√2, find the value of a²+1/a². will mark brainliest for the best answer!! -class 9 cbse

Answer 1

Answer:

34

Step-by-step explanation:

a=3+2√2

1/a= 1/3+2√2

1/a=3-2√2

(a+1/a)²=a²+1/a²+2

(3+2√2+3-2√2)²-2=a²+1/a²

36-2=a²+1/a²

34=a²+1/a²

This is the answer to your question.

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