If x = 3 – 2 √2 then find the value of x + -1/x
Answers
Answered by
1
Answer
Correct option is A
34
x
4
+
x
4
1
=(x
2
+
x
2
1
)
2
−2
⇒[(3+2
2
)+
(3+2
2
)
1
]
2
−2
⇒[3+2
2
+
3
2
−(2
2
)
2
(3−2
2
)
]
2
−2
⇒{[3+2
2
+3−2
2
]
2
−2}=
34
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Answered by
0
Answer:
answer is 34..
sorry, i am not clear about this answer
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