Question

If+A+is+a+subset+of+C+and+B+is+a+subset+of+C+then+prove+that+(A+union+B)+is+a+subset+of+C

Answer 1

Answer:

what is this question I can't understand

Answer 2

Answer:

Step-by-step explanation:

since A⊂C

B⊂C

For x value in A is a subset of C,

And for any y value in B is a subset of C

A∪B={x, y} but x and y are found in C

∴ (A∪B)⊂c

hence proven