I am trying to simplify so h does not cause division by zero when h=0. but the algebra is not so obvious to me. this is what I try. also
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Originally Posted by skoker I am trying to simplify so h does not cause division by zero when h=0. but the algebra is not so obvious to me. this is what I try.
@Also sprach Zarathustra I was suspecting rationalization but did not figure out at what step to use it. thanks. so I get this one. which gives correct result.
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