If p=5 -2√6, find 1/p square root
Answers
Answered by
0
Answer:
We know, x
2
+
x
2
1
=(x−
x
1
)
2
+2
Given, x=5−2
6
.
Then,
x
1
=
5−2
6
1
=
(5−2
6
)(5+2
6
)
5+2
6
=
5
2
−(2
6
)
2
5+2
6
=
25−24
5+2
6
=
1
5+2
6
=5+2
6
.
Then, x
2
+
x
1
=(5−2
6
−(5+2
6
))
2
+2
∴(−4
6
)
2
+2=96+2=98.
correct answer is =98
Answered by
1
Answer:
1/p= 5+2√6
Step-by-step explanation:
p= 5-2√6
1/p= 1/5-2√6* 5+2√6/5+2√6
1/p= 5+2√6 /5²-(2√6)²
1/p= 5+2√6/25-24
1/p= 5+2√6
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