Q. 3 A

# Write the first three terms of the AP’s, when a and d are as given below

Answer :

First three terms of AP are :

a + d, a + 2d, a + 3d

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Write the first three terms of the following sequences defined by:

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Write the first three terms of the following sequences defined by:

t_{n} = 2n+5

Write the first three terms of the following sequences defined by:

t_{n} = n(n + 2)

Write the first three terms of the AP’s, when a and d are as given below

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Which of the following list of numbers form A.R's? If they form an A.P., find the common difference d and also write its next three terms.

1, 3, 9, 27, ...

KC Sinha - MathematicsFind the indicated terms in each of the following sequence whose nth terms are:

= (n - 1)(2 - n)(3 + n) ; t_{20}

Find the sum of all multiples of 7 lying between 500 and 900.

Mathematics - Board PapersWhich of the following form of an AP? Justify your answer.

1, 1, 2, 2, 3, 3, …

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