rationalise the denominator of the following 14 bus route 98
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Answer:
)
6+4
2
6−4
2
=
6+4
2
6−4
2
×
6−4
2
6−4
2
=
(6)
2
−(4
2
)
2
(6−4
2
)
2
=
4
36+32−48
2
=17−12
2
2)
7
+
5
7
−
5
=
7
+
5
7
−
5
×
7
−
5
7
−
5
=
(
7
)
2
−(
5
)
2
(
7
−
5
)
2
=
2
7+5−2
35
=6−
15
3)
3
2
−2
3
1
=
3
2
−2
3
1
×
3
2
+2
3
3
2
+2
3
=
(3
2
)
2
−(2
3
)
2
3
2
+2
3
=
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