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Find tn if a = 20 आणि d = 3 - Algebra

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Sum

Find tn if a = 20 आणि d = 3

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Solution

tn = a + (n – 1)d

= 20 + (n – 1)3

= 20 + 3n – 3

= 17 + 3n

Concept: General Term of an Arithmetic Progression
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