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      Question

      Determine the value of 'p' in the expression.

      28 ├╖ 22p + 1 = 43┬а
      A 2.5 Correct Answer Incorrect Answer
      B 1 Correct Answer Incorrect Answer
      C 0.5 Correct Answer Incorrect Answer
      D 4.5 Correct Answer Incorrect Answer

      Solution

      ATQ, 28 ├╖ 22p + 1 = 43 Or, 28 - (2p + 1) = (22 )3 Or, 28 - 2p - 1 = 22 ├Ч 3 Or, 27 - 2p┬а= 26 On comparing LHS and RHS, we get, 7 - 2p = 6 Or, 2p = 7 - 6 So, 'p' = (1/2) = 0.5

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