Question
Mathematics Question on types of differential equations
If the system of equations
x + y + az = b
2x + 5y + 2z = 6
x + 2y + 3z = 3
Has infinitely many solutions, then 2a + 3b is equal to
A
20
B
23
C
25
D
28
Answer
23
Explanation
Solution
The correct option is(B): 20