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A-
A
A+
If
x
=
+2, then
x
-
equals
Given x = √5+2
−2
= √5 + 2 – ( √5 – 2) = 4
5
+2, then x -
equals
−2
= √5 + 2 – ( √5 – 2) = 4+2, then x - equals−2 = √5 + 2 – ( √5 – 2) = 4