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COMEDK2017MathematicsTrigonometric Ratios & Identities

The value of 2 x x- 3 x 2 x

Options

  1. A3
  2. B0
  3. C-1
  4. D1

Correct answer

D. 1

Step-by-step solution

We have, 3 x= (2 x+x) aligned & 3 x= 2 x x-1 2 x+ x & (A+B)= A B-1 A+ B & 3 x 2 x+ 3 x x= 2 x x-1 & 2 x x- 3 x 2 x- 3 x x=1 aligned ##0

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