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Grade: 12th pass
        
sir pls give solution
Q. find the value of x for which 22x+3 – 65(2x-1)=57
  1. -3
  2. 3
  3. 9
  4. -9
3 years ago

Answers : (1)

Vikas TU
11140 Points
							-1)=57x – 65(22x+3Write:  2
as  (2x)^2.8 – 65(2x-1)=57
=> and assume 2^x = t
=> 8t^2 – 65t = 57 – 65
=> 8t^2 – 65t = -9
solve the quadratic.
      3 years ago
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