find x+y if x-y=2√3 and xy = 1
Answers
Answered by
0
xy :- 5
Step-by-step explanation:
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Answered by
0
Answer:
Correct option is
A
2
Given, x=2+
3
and xy=1
⇒y=
x
1
=
2+
3
1
=2−
3
x
=
2+
3
=
2
1
(
4+2
3
)−
2
3
+1
2
+
x
=
2
+
2
2
=
2
2+
3
+1
=
2
3+
3
2
−
y
=
2
−
2
3
−1
=
2
2−
3
+1
=
2
3−
3
∴
2
+
x
x
+
2
−
y
y
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