If x = 2 + √3, find the value of x + 1/x ?
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Answered by
0
Answer:
ANSWER
x=2−
3
⇒
x
1
=
2−
3
1
=2+
3
(x
2
+
x
2
1
)=(x+
x
1
)
2
−2=(2−
3
+2+
3
)
2
−2=14
(x
2
−
x
2
1
)=(x−
x
1
)(x+
x
1
)=(4×−2
3
)=−8
3
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Answered by
0
X = 2 + √3. find X + 1/X
X + 1/X
2 + √3 + 1/2 + √3
( 2 +√3 ) (2 + √3) + 1
÷
2 + √3
= 8 + 4√3/ 2+ √3
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