For all s,t : Determin and Im new to multi variables so i donīt know how to do this. I thought if i set i get: from here i donīt know what to do. Thanks!
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Originally Posted by mechaniac For all s,t : Determin and Im new to multi variables so i donīt know how to do this. I thought if i set i get: from here i donīt know what to do. Thanks! You have a good start. Using the chain rule that you have above gives Using the subscript notation for partial derivatives gives Now if You will have a system of equations to find the partial derivatives you want!
Thanks! i just got confused by all the variables