Verified Solution • 2025–26 Session moderate

QJEEM21Macbe8: JEE Main 2021 Mathematics - Class 12 JEEM21Macbe8 Solution: The values of a and b, for which the system of equations 2x +…

The values of a and b, for which the system of equations

2x + 3y + 6z = 8

x + 2y + az = 5

3x + 5y + 9z = b

has no solution, are :

Multiple Choice Options

  • A a = 3, b ≠ 13
  • B a ≠ 3, b ≠ 13
  • C a ≠ 3, b = 3
  • D a = 3, b = 13

Step-by-Step Verified Solution

D=|23612a359|=3−a

D=|23812535b|=b−13

If a = 3, b ≠ 13, no solution.

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