Question

say whether it will pass through C? Why?
(2)
45 is a term in the arithmetic sequence whose common difference is 2. Check
whether the sum of any 17 terms of this sequence will be 2018 2 Why? (2)​

Answer 1

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11th

Maths

Sets

Sets and their Representations

State whether each of the f...

MATHS

State whether each of the following set is finite or infinite:

(i) The set of lines which are parallel to the x-axis

(ii) The set of letters in the English alphabet

(iii) The set of numbers which are multiple of 5

(iv) The set of animals living on the earth

(v) The set of circles passing through the origin (0,0)

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ANSWER

(i) The set of lines which are parallel to the x-axis is an infinite set because lines parallel to the x-axis are infinite in number.

(ii) The set of letters in the English alphabet is a finite set because it has 26 elements.

(iii) The set of numbers which are multiple of 5 is an infinite set because multiples of 5 are infinite in number.

(iv) The set of animals living on the earth is a finite set because the number of animals living on the earth is finite (although it is quite a big number).

(v) The set of circles passing through the origin (0,0) is an infinite set because infinite number of circles can pass through the origin.

ans 2

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