solve quickly please
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1
Answer:
Step-by-step explanation:
Sm=Sn (given)
Sm=n/2(2a+n_1)d=Sn=n/2(2a+(n_1)d=0
therefore by solving m+n=0
Answered by
2
Answer:
hence proved
Step-by-step explanation:
please mark brainliest
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