Will you please explain me example no.138 on page 3.81 of SL ARORA book for class 12? I couldn't directly post the question here because it has a diagram which i couldn't paste here no matter how much i tried.please help me with this question.

            

      

Asked by Mudita Agrawal | 30th Jun, 2014, 11:15: PM

Expert Answer:

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Answered by Romal Bhansali | 4th Jul, 2014, 11:21: AM