write th 7th term from the end of the AP 7,9,11,13............213
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let the first term be 213
then difference will be 11-13=-2
seventh term from the end =a+6d
=213+6(-2)=213-12=201
so the term is 201
then difference will be 11-13=-2
seventh term from the end =a+6d
=213+6(-2)=213-12=201
so the term is 201
PriyalMahajan:
its a+(n-1)d
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