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What is 1- 2^ 62^ 152^ - 88^ equal to?

Options

  1. A3
  2. B- 3
  3. C2 -1
  4. D1- 2

Correct answer

B. - 3

Step-by-step solution

aligned & L= 1- 2^ 62^ 152^ - 88^ = 1- 2^ (90-28)^ (180-28)^ - (90-2)^ & L= 1- 2^ 28^ - 28^ - 2^ =- [ 1- 2^ 28^ 2^ + 28^ ] aligned aligned L=- 1 (2+28)^ & =- 1 30^ =- 3 & [ (A+B)= A+ B 1- A B ] aligned

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