Question

Sn = u+a/2(2n-1) is which class formula​

Answer 1

Answer:

10th

Arithmetic progression (AP)

Explanation:

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Answer 2

Answer:

This is the formula for calculating displacement(Sn) in nth time (n th second) , for given initial velocity(u) and uniform acceleration(a).

(Formulas don't depend on class, but depend on their use) (If you wish to study in class IX,then you can, otherwise you'll get it in class XI).

Note- You will understand the concept of this formula in Class X chapter A.P