Jamb Mathematics Questions
Question 81:
If y = cos 3x, find \(\frac{\delta y}{\delta x}\)
- A \(\frac{1}{3} \sin 3x\)
- B \(-\frac{1}{3} \sin 3x\)
- C 3 sin 3x
- D -3 sin 3x
Question 83:
Evaluate \(\int \sin 2x dx\)
- A Cos 2x + k
- B \(\frac{1}{2}\)cos 2x + k
- C \(-\frac{1}{2}\)cos 2x + k
- D -cos 2x + k
Question 84:
Evaluate \(\int (2x + 3)^{\frac{1}{2}} \delta x\)
- A \(\frac{1}{12} (2x + 3)^6 + k\)
- B \(\frac{1}{3} (2x + 3)^{\frac{1}{2}} + k\)
- C \(\frac{1}{3} (2x + 3)^{\frac{3}{2}} + k\)
- D \(\frac{1}{12} (2x + 3)^{\frac{3}{4}} + k\)