The nth term of an A.P is p and the sum of the first n terms is s. The first term is
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2
Answer:
the first term is n+1 in aerithmatic progression
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Answer:
Let the first term be 'a'
ATQ
a+(n-1)d=p. (1)
n/2[2a+(n-1)d=s (2)
on solving 1 and 2
a=
b=
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