Question

Let A = (p,q, r, s) and R be an universal relation on A. Write down the relation R. Find
out the smallest and largest subset of the universal relation which is an equivalence
relation,​

Answer 1

Explanation:

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Albert Einstein is best known for his equation E = mc2, which states that energy and mass (matter) are the same thing, just in different forms. He is also known for his discovery of the photoelectric effect, for which he won the Nobel Prize for Physics in 1921