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MHT CET20225 Aug 2022Morning ShiftMathematicsTrigonometric Ratios & IdentitiesActual

If = 1 2 and =- 5 3 where a ( , 3 2 ) and ( 2 , ) , then ( + ) has the value

Options

  1. A3 11
  2. B22 9
  3. C9 11
  4. D2 11

Correct answer

D. 2 11

Step-by-step solution

= 1 2 =2 = -5 3 =- 4 3 Now, ( + )= + 1- = 2+ ( -4 3 ) 1-2 ( -4 3 ) = 6-4 3 3+8 3 = 2 11

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