Question

4. Verify x + (y + z) = (x + y) + z for following values of x, y and z.
7
5
7
3 5
(1) X=y=
Z
4
6'2
8
3'
6
9
3
- 6
2
Z
3
-
7
-
8
9
10
(iv) X=
Z
5
10
15
5. Simplify​

Answer 1

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