Page 24 - INDICES AND LOGARITHMS

EQUATIONS INVOLVING

INDICES

EXAMPLE 4:

2 2
+3
Given that 2 − 4 = 0 . Find the
value of x

Solutions :

2 2
+3
2 − 4 = 0

2 2
+3
2 = 4

2 2 2
+3
2 = 2

2 4
+3
2 = 2

2
+ 3 = 4

2
− 4 + 3 = 0

− 1 − 3 = 0

− 1 = 0, − 3 = 0

= 1 = 3

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