Ncert class 11 pg 192 question 8 . As rhe value of root 3>1 how can sn be as shown n d photo plz reply asap

Ncert class 11 pg 192 question 8 . As rhe value of root 3>1 how can sn be as shown n d photo plz reply asap Lebara*' page 1 92 v Solution: 1-3 -Vi(l + v,'Ä) 2 2 Question 7:33 AM (By rati

Dear Student,

In the second last step, -71+321-3n2Taking - common from 1-3n2, we get -71+32-3n2-1minus signt gets cancel so the final answer is,Sn = 71+323n2-1

Regards

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