plz can u plz help me in this for my papers for class X ♥️♥️plz
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Nth term of an AP , an = a + (n - 1) d
If a,b,c are in AP then b - a = c - b
Sum of n terms, Sn = n/2(2a + (n - 1)d)
If a,b,c are in AP then b - a = c - b
Sum of n terms, Sn = n/2(2a + (n - 1)d)
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Answer:
an=a(n-1)d
Explanation:
this is ap formula
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