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AP EAMCET202422 May 2024Morning ShiftMathematicsDeterminantsActual

If the set of equations x+2 y+3 z=6, x+3 y+5 z=9 , 2 x+5 y+a z=b has unique solution, then

Options

  1. Aa=8, b=15
  2. Ba 8, b R
  3. Ca=8, b 15
  4. Da 15, b=8

Correct answer

B. a 8, b R

Step-by-step solution

For unique solution | array lll 1 & 2 & 3 1 & 3 & 5 2 & 5 & a array | 0 aligned & 3 a-25-2(a-10)+3(5-6) 0 & a-8 0 a 8 and b R . aligned

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