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anirban deb Grade: 11
        
If the pth  and qth  terms of an AP be a and b respectively, show that the sum of the first (p+q) terms of the AP is
(p+q)/2{a+b+(a-b/p-q)}
 
3 years ago

Answers : (1)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
										
Hello Student,




Now its obvious.
Substitute the values to get the answer.

Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
3 years ago
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