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Grade: 12th pass

                        

sir pls give solution Q. find the value of x for which 2 2x+3 – 65(2 x -1)=57 -3 3 9 -9

4 years ago

Answers : (1)

Vikas TU
13869 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.
      4 years ago
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