The derivatives of (2x + 1)(3x + 1) is
A
12x + 1
B
6x + 5
C
6x + 1
D
12x + 5
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
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
Source: Myschool Past Questions Archive (Record #29490)