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Given that (4x - 1), (2x + 5) and (5x + 11) are consecutive terms of an Arithmetic Progression (A. P.). Find the values of x.

Mathematics

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Step-by-step solution

4 steps
  1. Understand the property of an Arithmetic Progression (A.P.).

    In an Arithmetic Progression, the difference between any two consecutive terms is constant. If aa, bb, and cc are consecutive terms of an A.P., then b−a=c−bb - a = c - b.

  2. Apply the property to the given terms.

    Given the consecutive terms are (4x−1)(4x - 1), (2x+5)(2x + 5), and (5x+11)(5x + 11).
    Let a=4x−1a = 4x - 1, b=2x+5b = 2x + 5, and c=5x+11c = 5x + 11.
    So, we can write the equation:

    (2x+5)−(4x−1)=(5x+11)−(2x+5)(2x + 5) - (4x - 1) = (5x + 11) - (2x + 5)
  3. Simplify both sides of the equation.

    For the left side:

    2x+5−4x+1=−2x+62x + 5 - 4x + 1 = -2x + 6

    For the right side:

    5x+11−2x−5=3x+65x + 11 - 2x - 5 = 3x + 6

    Now the equation is:

    −2x+6=3x+6-2x + 6 = 3x + 6
  4. Solve the equation for xx.

    Subtract 3x3x from both sides:

    −2x−3x+6=6-2x - 3x + 6 = 6 −5x+6=6-5x + 6 = 6

    Subtract 6 from both sides:

    −5x=6−6-5x = 6 - 6 −5x=0-5x = 0

    Divide by -5:

    x=0−5x = \frac{0}{-5} x=0x = 0 x=0\boxed{x=0}
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