Question

Plz help me!!!!! 3. &4 only!!!

Answer 1

Explanation:

3.

Note that

`L_1 : 4x-y=10 \\ L_2: -2x+4y=16`

aren't parralel lines. So they are intersected in one point.

Answer: Number of solutions is ONE. The system is soluble

4.

Similarly to 3. Number of solutions is ONE. The system is soluble