for what values of a,b the system of equations has infinite solns
x+y+z=5,
x+3y+3z=9,
x+2y+az = b
Options:
1. a=2, b=7
2. a=2, b not equal to 7
3. a not equal to 2, b not equal to 7
4. a not equal to 2, b=7
I got the answer as option 1 and 2
pls help me the answer is given as option 1 only
x+y+z=5,
x+3y+3z=9,
x+2y+az = b
Options:
1. a=2, b=7
2. a=2, b not equal to 7
3. a not equal to 2, b not equal to 7
4. a not equal to 2, b=7
I got the answer as option 1 and 2
pls help me the answer is given as option 1 only