Simplify 1 4 2n - 2n 2 - WAEC Mathematics 1991 Question
Simplify: 1/4(2n - 2n+2)
A
2n2 - 2n
B
2n-2(1-2n)
C
2n + 22n + 2
D
22n
correct option: a
1/4(2n - 2n+2) = 2-2(2n - 2n x 22) = 2n x -2(1 - 22)= 22n-2
(20 - 22) = 22n-2 - 2n
(20 - 22) = 22n-2 - 2n
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