The n^{th} term of the A.P. a, 3a, 5a, \ldots is... | MCQ 1m | Maths | SuperPadhai

Arithmetic Progressions > Question

MCQ1 markYear: 2020EasyCBSE Class 10

arithmetic-progressionsnth-term

Question

The

n^{t h}

term of the A.P.

a, 3 a, 5 a, \dots

is

Solution

1

a_{n} = a + (n - 1) \times 2 a = a + 2 na - 2 a = (2 n - 1) a

+1 mark

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