Archive
14th of March 2017
Mathematics
Q:

4. If p , q , r are in arithmetic progression, then prove that ( q + r ) 2 − p 2 , ( r + p ) 2 − q 2 , ( p + q ) 2 − r 2 are also in arithmetic progression.

Adil Khan - CBSE - Class X

Tuesday, March 14, 2017 at 18:20:PM

A:

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Wednesday, March 15, 2017 at 10:17:AM