please solve this question
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priyanshupatel83:
what is the exact answer????
8 or 6
answer :6
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solñ,
(-3)^ k+1 • (-1/3)^ 2= (-3)^ 5
(-3)^ k+1 • (-3^-1)^ 2=(-3)^5
(-3)^ k+1 • (-3)^ -2=(-3)^5
(-3)^k+1-2 =(-3)^5
k+1-2=5
k-1=5
k=5+1
k=6( answer) ✓
I hope you will get..........
(-3)^ k+1 • (-1/3)^ 2= (-3)^ 5
(-3)^ k+1 • (-3^-1)^ 2=(-3)^5
(-3)^ k+1 • (-3)^ -2=(-3)^5
(-3)^k+1-2 =(-3)^5
k+1-2=5
k-1=5
k=5+1
k=6( answer) ✓
I hope you will get..........
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