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The derivatives of (2x + 1)(3x + 1) is

The derivatives of (2x + 1)(3x + 1) is

  • A.
    12x + 1
  • B.
    6x + 5
  • C.
    6x + 1
  • D.
    12x + 5
Correct Answer: Option D
Explanation

2x + 1 (frac{d(3x + 1)}{mathrm d x}) + (3x + 1) (frac{d(2x + 1)}{mathrm d x})
2x + 1 (3) + (3x + 1) (2)
6x + 3 + 6x + 2 = 12x + 5

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