1
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int \frac{d x}{(x-2) \sqrt{x^2-3 x+5}}= $$

A

$\frac{-1}{\sqrt{3}} \cosh ^{-1}\left[\frac{7 x-8}{\sqrt{37}(x-2)}\right]+C$

B

$\frac{-1}{\sqrt{3}} \sinh ^{-1}\left[\frac{x+4}{\sqrt{11}(x-2)}\right]+C$

C

$\frac{-1}{\sqrt{3}} \cosh ^{-1}\left[\frac{x+4}{\sqrt{11}(x-2)}\right]+C$

D

$\frac{-1}{\sqrt{3}} \sinh ^{-1}\left[\frac{7 x-8}{\sqrt{37}(x-2)}\right]+C$

2
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) $\int\limits_{-a}^a f(x) d x=\int_0^a(f(x)+f(-x)) d x$

Reason (R) $\int\limits_a^b f(x) d x=\int_{g(a)}^{g(b)} f(g(u)) g^{\prime}(u) d u$

The correct option among the following is

A

(A) is true, (R) is true and (R) is the correct explanation for (A)

B

(A) is true, (R) is true but (R) is not the correct explanation for (A)

C

(A) is true but (R) is false

D

(A) is false but (R) is true

3
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\cos x+\cos 2 x+\ldots+\cos n x=\frac{A(x)}{2 \sin x / 2}$, then $\int\limits_0^\pi A(x) d x=$

A

$\frac{n^2}{n+1}$

B

$\frac{-4 n}{2 n+1}$

C

$\frac{2 n}{2 n+1}$

D

$\frac{-n}{2 n+1}$

4
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The area (in sq. units) bounded by the parabola $y=x^2+3$, the tangent to the parabola at $(3,12)$ and the coordinate axes and lying in the first quadrant is

A

6

B

30

C

18

D

24

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