What is the value of one by root 9 - root 8
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9
−
8
1
=
9
−
8
1
×
9
+
8
9
+
8
(Multiplying and dividing by conjugate of dinominator)
=
(
9
)
2
−(
8
)
2
9
+
8
=
9−8
3−2
2
=3−2
2
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