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MHT CET202014 Oct 2020Evening ShiftMathematicsTrigonometric Ratios & IdentitiesActual

12^ - 12^ 12^ + 12^ + 147^ 147^ =

Options

  1. A-2
  2. B0
  3. C-1
  4. D1

Correct answer

B. 0

Step-by-step solution

12^ - 12^ 12^ + 12^ + 147^ 147^ = 12^ - 78^ 12^ + 78^ + 147^ = -2 45^ (-33^ ) 2 45^ 33^ + (180^ -33^ )= 45^ 33^ - 33^ = 33^ - 33^ =0

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