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1. 3x+3x-1=12

  • A. 1
  • B. 1
  • C. 1
  • D. 1

Answer: Option D

Explanation:

ধরি, 3^x= p

প্রদত্ত রাশি,

p+p/3= 12

3p+p/3=12

4p=36

p=9

3^x= 3^2[মান বসিয়ে]

x= 2.

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