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How do i solve this simultaneous equation? 
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#1
Nov1713, 08:39 AM

P: 11

Lumda λ = 1.42 i tried to make m the subject and substituting Eqn 1 with Eqn 2 but end up getting stucked here everytime.. 


#2
Nov1713, 08:57 AM

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Try taking equations 1 and 2 from the OP and squaring each first. That gets rid of the square root.
You can solve Equation 1 for λ^2 and then substitute this into Eq. 2. You should then be able to solve for m in terms of n. This is called eliminating the common factor. 


#3
Nov1713, 12:44 PM

P: 11

ive tried,there is a (m+1/2)λ which makes my elimination of m isnt possible(at least for me)..
i tried squaring both sides for equation(2) which ends up with a m^2*λ^2 + mλ^2 ... 


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