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I don't understand the light deflection calculus

  1. Jan 21, 2010 #1
    i am studing the book of weinberg of general relativity. in the part about light deflection weinberg perform the calculus of the angle deflection of a light ray bended bay a gravitational body. i don't how can evalute the integral. in other words i don't understand de taylor aproximation of the integral. why the integral is not divergent? how can help me to understand?
  2. jcsd
  3. Jan 22, 2010 #2


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    Science Advisor

    It would be easier to respond if you could explicitly show rhe integral you are talking about, including definitions of symbols.
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