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KCET2023MathematicsFunctions

Let the relation R be defined in N by a R b , if 3 a+2 b=27 , then R is

Options

  1. A(0, 27 2 ),(1,12),(3,9),(5,6),(7,3)
  2. B(1,12),(3,9),(5,6),(7,3),(9,0)
  3. C(2,1),(9,3),(6,5),(3,7)
  4. D(1,12),(3,9),(5,6),(7,3)

Correct answer

D. (1,12),(3,9),(5,6),(7,3)

Step-by-step solution

Given that 3 a+2 b=27 array ll & 2 b=27-3 a & b= 27-3 a 2 array For a=1, b=12 aligned & a=3, b=9 & a=5, b=6 & a=7, b=3 & R= (1,12),(3,9),(5,6),(7,3) & aligned

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