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Yogita Ingle 6 years ago
Domain – The input values in a given function is called Domain of a function. The values that go into function is called domain.
Example : Determine the domain of the following relations
1. {(1, 2) (1, 4) (1, 6) (1, 8)}
Domain = {1}
Range: Let A and B be two sets. Relation from A into B is a subset of AxB. Let R be a relation from A into B. If (a, b) ∈ R, we say that ‘a’ is related to b with respect to R. the set of all those elements a ∈A. Such that (a, b) ∈R for some b∈B is called the domain of R and Range of R to be the subsets of B = {b∈B (a, b) ∈R for some a∈A} B is called the co-domain of R.
Example 1: Determine the range { (1, 2) (1, 4) (1, 6) (1, 8)}
Solution: Range = {2, 4, 6, 8}
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Sohan .G 6 years ago
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Gaurav Seth 6 years ago
Proof:
Let A=[aij]n×n be a skew symmetric matrix.
⇒aij=−aji for all i & j.
⇒aii=−aii (Putj=i)
⇒2aii=0⇒aii=0.
Thus in a skew symmetric matrix all elements along the principal diagonal are zero.
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Gaurav Seth 6 years ago
CBSE syllabus for 2019-20 is now available for download in CBSE official website and myCBSEguide Mobile App.
For the latest syllabus of 19 - 20 click on the below link o my cbse guide to getan idea of deleted topics :
<a href="https://mycbseguide.com/blog/cbse-released-syllabus-for-2019-20/">https://mycbseguide.com/blog/cbse-released-syllabus-for-2019-20/</a>
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Deepika Singh 6 years ago
0Thank You