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2 case study based problem from each chapter of mathematics class 10 . ​

Answer»

Step-by-step explanation:

USUAL, PROVE it using the GENERAL heuristic that

X=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y.

In other WORDS, take a generic element of A×(B−C)A×(B−C) and show that it also MUST be an element of (A×B)−(A×C)(A×B)−(A×C), and vice versa.



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