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2/6 - 4/9 × 5.9
  • 3 answers

Omya Aryan 1 year, 9 months ago

-2.2

Choudhary Kundan 1 year, 9 months ago

  Use app Login Question  Find x if 4x+6x=9x A ln2−ln3ln(3​−1)+ln2​ Correct Answer B ln2−ln3ln(5​−1)+ln2​ C ln2−ln3ln(5​−1)−ln2​ D ln3−ln2ln(5​−1)+ln2​ Medium Open in App Solution  Verified by Toppr Correct option is A) 6x+4x=9x divide by 4x to form (23​)x 4x6x​+1=4x9x​ (23​)x+1=(23​)2x ((23​)x)2−(23​)x−1=0 So (23​)x=21±1−4.1(−1)​​=21±,5​​ For positive solution (23​)x=21+5​​ Applying logarithm xln(23​)=ln(21+5​​) lnba​=lna−lnb x=ln3−ln2ln(1+5​)−ln2​.

Uttam Soni 1 year, 9 months ago

-0. 98
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