Question

1.If x=2+√3 find the value ofx2+1/x2

Answer 1

Q. 1.If x=2+√3 find the value ofx2+1/x2

Solution:+-

Given x = 3 + 2√2

x2 = 17 + 12√2

⇒ 1/x2 = 1/(17 + 12√2)

1/x2 = (17 – 12√2)

∴ (x2 +1/x2) =(17 + 12√2) + (17 – 12√2)

                    = 34 Answer


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Answer 2

Hello dear user!!! ✌️✌️


Here is your answer goes like this :


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Your question :

If x=2+root 3 find the value of X2+1/X2


Answer :

Given
x = 3 + 2√2

x2 = 17 + 12√2

1/x2 = 1/(17 + 12√2)

1/x2 = (17 – 12√2)

∴ (x2 +1/x2) =(17 + 12√2) + (17 – 12√2)

= 34


Therefore the answer is 34.....


The answer has been explained..........




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