Asked by ritika
the first and last term of an AP is a and l.show nth term from begining and nth term from end is a l
Answers
Answered by
Steve
nth from front is a + (n-1)d
nth from l is l - (n-1)d
their sum is a+l
Not sure what you meant by "a l"
nth from l is l - (n-1)d
their sum is a+l
Not sure what you meant by "a l"
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