Question

Ethanol boils at 156k true or false Sahi answer dena jisne bhi galat answer Diya uski ...... Ka and mand chand​

Answer 1

Answer:

True statement is the right answer

Answer 2

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.