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The solution of the equation 7^(logx)-5^...

The solution of the equation `7^(logx)-5^(logx+1)=3. 5^(logx-1)-13. 7^(logx-1)` is a. an even number b. rational number c. irrational number d. composite number

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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