Question

I. Let X=\ 1,2,3,4\ and Y=\ 2,4,6,8,10\ ) and R=\ (1,2)(2,4)(3,6)(4,8)\ show that Ris function and find its domain, co-domain, and range?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

2 plane mirrors are inclined to each other at an angle of 45˚.

How many images are formed? How many are seen?