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Find t5 if a = 3 आणि d = −3 - Algebra

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Sum

Find t5 if a = 3 आणि d = −3

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Solution

tn = a + (n – 1)d

∴ t5 = 3 + (5 – 1)(– 3)

= 3 + 4(– 3)

= 3 – 12

= – 9

Concept: General Term of an Arithmetic Progression
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