if x=3root +2root upon 3root - 2root and y=3root - 2root upon 3root +2root then x square and y square
Answers
Answered by
2
Answer:
x+
x
1
=3−2
2
+
3−2
2
1
x
1
=
3−2
2
1
×
3+2
2
3+2
2
=
1
3+2
2
x+
x
1
=3−2
2
+3+2
2
=6
Squaring on 60th sides.
(x+
x
1
)
2
=36
x
2
+
x
2
1
=36−2⇒x
2
+
x
2
1
=34
Squaring on 60th sides.
(x
2
+
x
2
1
)
2
=(34)
2
x
4
+
x
4
1
=1156−2⇒x
4
+
x
4
1
=1154.
Similar questions