Provide solution to the following questions:

1. Evaluate the following:

2. If, then for whatvalue ofisAan identity matrix?

3. The liney=mx+ 1 is a tangent to the curvey²= 4x.Find thevalue ofm.

4. Solve the following differentialequation:(x²y²)dx+ 2xy dy= 0.

5. Solve system of linear equations, using matrix method.

xy+2z=7

3x+4y5z=5

2xy+ 3z= 12