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CBSE Class 10 Answered

plz help me!
Asked by | 10 Mar, 2009, 12:41: PM
Expert Answer

Let the first term of the A.P. is a  and   the common difference  be d.

formula for the nth term is

nth term = a+(n-1)d

so

 mth term=a+(m-1)d

Acc to question,

m(mth term)=n(nth term)

m(a+[m-1]d)=n(a+[n-1]d)

So,

 

Answered by | 10 Mar, 2009, 01:09: PM
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