Grade 12th passAlgebra
sir pls give solutionQ. find the value of x for which 22x+3 – 65(2x-1)=57 - -3
- 3
- 9
- -9
sir pls give solution
Q. find the value of x for which 22x+3 – 65(2x-1)=57
- -3
- 3
- 9
- -9
1 Answer
Vikas TU
Approved Tutor Answer9 Years ago-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.
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