Prove that 2 power x + 1 is equals to 3 power 1 - x
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Answer:
Let:
2^{x} = 3^{y} = 6^{-z} =k
Then:
2 = k^{ \frac{1}{x}}
3=k^{ \frac{1}{y}}
6 = k^{- \frac{1}{z}}
We know that,
i) 3 × 2 = 6
ii) xᵃ × xᵇ = xᵃ⁺ᵇ
Then,
3 \times 2 = 6
Now, Substitute value of 3, 2,& 6.
k^{ \frac{1}{x}} \times k ^{ \frac{1}{y}} = k^{- \frac{1}{z}}
The bases are equal .
So,
→ \frac{1}{x} + \frac{1}{y} = - \frac{1}{z}
→ \frac{1}{x} + \frac{1}{y} + \frac{1}{z} = 0
Hence proved.
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