Qus : 1 3

---

1(a)
2(b)
3(c)
4(d)
Go to Discussion

---

Qus : 2 1

---

1 Differentiable at x = 0
2Continuous at x = 0
3 Discontinuous at x = 0
4Not differentiable at x = 0
Go to Discussion

---

Qus : 3 4

---

1$\frac{x+y}{xy}$
2$xy$
3$\frac{x}{y}$
4$\frac{y}{x}$
Go to Discussion

---

Qus : 4 3

---

1$\frac{-1}{1+{x}^2}$
2$\frac{3}{1+{x}^2}$
3$\frac{3}{\sqrt[]{1+\{x\}^2}}$
4$\frac{1}{\sqrt[]{1+\{x\}^2}}$
Go to Discussion

---

Qus : 5 1

---

1$\frac{{x}^2-1}{{x}^4+3{x}^2+1}$
2$\frac{{x}^2+1}{{x}^4+3{x}^2+1}$
3$\frac{{x}^2-1}{{x}^4-3{x}^2+1}$
4$\frac{{x}^2+1}{{x}^4-3{x}^2+1}$
Go to Discussion

---

Qus : 6 1

---

1
2
3
4
Go to Discussion

---

Qus : 7 2

---

14x² sinx² cosx²
2–4x cosx² sinx²
32x sinx² cosx²
4–2x cosx² sinx²
Go to Discussion

---

Qus : 8 1

---

13x² + e^x + 3^x(log 3) – cosec²x
23x² + e^x + 3^x(log 3) + cosec²x
33x² + e^x + 3^x(log 3) – sec²x
43x² + ex + 3^x(log 3) + sec²x
Go to Discussion

---

Qus : 9 1

---

1–1/(x log x)
21/log x
31/x
4x logx
Go to Discussion

---

Qus : 10 4

---

1 $$(\frac{d^{2}y}{dx^{2}})^{-1}$$
2 $$\frac{d^{2}y}{dx^2} (\frac{dy}{dx})^{2}$$
3 $$- (\frac{d^{2}y}{dx^{2}})^{-1} (\frac{dy}{dx})^{-3}$$
4 $$- (\frac{d^{2}y}{dx^{2}}) (\frac{dy}{dx})^{-3}$$
Go to Discussion

---

[{"qus_id":"3369","year":"2018"},{"qus_id":"3784","year":"2018"},{"qus_id":"4311","year":"2017"},{"qus_id":"4312","year":"2017"},{"qus_id":"4314","year":"2017"},{"qus_id":"10681","year":"2021"},{"qus_id":"10685","year":"2021"},{"qus_id":"11123","year":"2022"},{"qus_id":"11152","year":"2022"},{"qus_id":"10221","year":"2015"}]