Find the square root of 117 correct to 2 decimal place with a pic plzz

1.	Find the square root of 117 correct to 2 decimal place with a pic plzzz
Answer» Answer: 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.

Find the square root of 117 correct to 2 decimal place with a pic plzzz

Answer»

Answer:

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.