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Arithmetic Progressions

Question
CBSEENMA10007415
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Write first four terms of the AP, when the first term a and the common difference d are given as follows:

a = – 1, d = 1 half

Solution

a = – 1, d = 1 half
First term = a = -1
Second term  space space space space space equals space 1 plus d equals negative 1 plus 1 half equals negative 1 half
Third term  equals negative 1 half plus straight d equals negative 1 half plus 1 half equals 0
Fourth termequals 0 plus straight d equals 0 plus 1 half equals 1 half
Hence, first four terms of the given A .P. are
negative 1 comma space minus 1 half comma space 0 comma space 1 half

Some More Questions From Arithmetic Progressions Chapter

Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a – 10, d = 10

Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a = –2, d = 0

Write first four terms of the AP, when the first term a and the common difference d are given as follows:
a = 4, d = – 3

Write first four terms of the AP, when the first term a and the common difference d are given as follows:

a = – 1.25, d = – 0.25

For the following APs, write the first term and the common difference
3, 1, – 1, – 3, . . .

For the following APs, write the first term and the common difference
– 5, – 1, 3, 7, . . .

For the following APs, write the first term and the common difference
0.6, 1.7, 2.8, 3.9, . . .

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