1. a1b1=a2b2
2. a1b2=b1a2
3. a1a2=b1b2
4. None of these
a1b2=b1a2
1. x1=0,x2=0,x3=0
2. x1=1,x2=1,x3=0
3. x1=0,x2=1,x3=1
4. x1=2,x2=-5,x4=-1
x1=0,x2=0,x3=0
1. 1/2
2. 1/4
3. 3/4
4. 1
1/4
1. Odd multiple of π
2. Even multiple of π
3. Odd multiple of π/2
4. Even multiple of π/2
Odd multiple of π/2
1.
2.
3.
4.
1. No unique solution
2. Only one solution
3. Only two solution
4. Infinite solutions
Infinite solutions
1. Greater than zero
2. Less than zero
3. Zero
4. Dependent on the value of x
Greater than zero
1. No solution
2. Only one solution
3. Two solution
4. Infinite number of solution
Only one solution
1. 0,0 0
2. 0, 0 1
3. 0,0,3
4. 1,1,1
0,0,3
1. Solution is unique
2. Infinitely many solutions exist
3. Equations are incompatible
4. Finite number of multiple solutions exist
Equations are incompatible