Question

pls it is request give my answer
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Answer 1

Step-by-step explanation:

suppose 2^a = 7^-b =14^c = k

2^a = k

2 = k^(1/a)

7^-b = k

7= k^(-1/b)

2*7 = 14

k^(1/a) * k^(-1/b) = k^1/c

so compare all powers

1/a - 1/b = 1/c

1/a - 1/b -1/c =0