Solve for k in the equation frac 1 8 k 2 1 - JAMB Mathematics 2022 Question
Solve for k in the equation \(\frac{1}{8}^{k+2}\) = 1
A
2
B
-4
C
-2
D
4
correct option: c
\((8^{-1})^{k+2}\) = \((8^{0})\)
cancel out base 8:
-1(k+2) = 0
-k -2 = 0
: k = -2
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