Question

solve all four problem ​

Answer 1

Answer:

(i) - in one variable

(ii) - in one variable

(iii) - in three variables

(iv) - in two variables

HOPE IT HELPS..

PLS MARK AS BRAINLIEST

Answer 2

HEY MATE!

HERE IS YOUR ANSWER:

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1. It is in one variable since it has only one variable in it which is x
2. It is in one variable since it has only one variable in it which is y
3. It is in three variable since it has three variables in it which is x, y and z
4. It is in two variable since it has two variable in it which is x and y.

HOPE IT HELPED ^_^