If y =   √a2+x2          +     √a2-x2      Prove that dy   = -2a2   {1+    a     }

           √a2+x2          -     √a2-x2                            dx          x3                 √a4 – x4  


Asked by inderjeet.saluja | 23rd Aug, 2014, 04:40: PM

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Answered by Dharma Teja | 25th Aug, 2014, 10:40: AM

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