Question

math class 10 ch 4 all formulas with 2 example​

Answer 1

Answer:

All Formulas of Arithmetic Progression.

1. Tn = a+(n-1)d.
2. Nth term from the end = {l-(n-1)d}.
3. Sn = n/2(a+l) and
4. Sn = n/2.{2a+(n-1)d

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Answer 2

Answer:

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