Question

evaluate each of the following expressions given that a = "-2" , b=1 and c = 2 c^2 - b^3 + 1/4 a^3​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

the answer is

Step-by-step explanation:

To verify: A×C is a subset of B×D

A×C={(1,5),(1,6),(2,5),(2,6)}

B×D={(1,5),(1,6),(1,7),(1,8),(2,5),(2,6),(2,7),(2,8),(3,5),(3,6),(3,7),

                 (3,8),(4,5),(4,6),(4,7),(4,8)}

We can observe that all the elements of set A×C are the elements of set B×D  

Therefore A×C is a subset of B×D

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