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Question

If m + n = 24, then (m - 16)³ + (n - 8)³ is ____.

The correct answer is

1

We are given that m + n = 24. Using the identity for the sum of cubes:

(a - b)³ + (b - c)³ = (a - b + b - c)((a - b)² + (b - c)² + (a - b)(b - c))

Substitute m + n = 24, and apply the simplification. After solving, we get 1 as the result.

Thus, the correct answer is option 1: 1.

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Important Questions from Algebric Equations

  1. For the following equations, what are the values of a and b to have infinitely many solutions?

    ax + by = 2

    3x - (5 - 2ay) = 6

  2. If m + n = 24, then (m - 16)³ + (n - 8)³ is ____.

  3. For the following equations, what are the values of a and b to have infinitely many solutions?

    ax + by = 2

    3x - (5 - 2ay) = 6

  4. Simplify the following expression: 
    \(\frac{(x - y)^3 + (y - z)^3 + (z - x)^3}{(x - y)(y - z)(z - x)}\)

  5. If a³ + b³ = 28 and a + b = 4, then what is the value of ab?

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