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Anyone solve this. If Sn denotes the sum of the first n terms of AP then prove that S12=(S8-S4)?
Most Upvoted Answer
Anyone solve this. If Sn denotes the sum of the first n terms of AP th...
Question check kro bhai,
Ye pkka glt question likhe ho...
reason dekho :
ATQ:S12=(S8-S4),
LHS=S12=12/2(2a+11d)=12a+66d,
RHS=S8-S4=[8/2(2a+7d)]-[4/2(2a+3d)],
=(8a+28d)-(4a+6d)≠LHS
Community Answer
Anyone solve this. If Sn denotes the sum of the first n terms of AP th...
Simply find S8, S4 and S12 and subtract S4 from S8 you will get S12
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Anyone solve this. If Sn denotes the sum of the first n terms of AP then prove that S12=(S8-S4)?
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