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AP EAPCET
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Mathematics
List of top Mathematics Questions asked in AP EAPCET
If the function
\[ f(x) = \frac{\sqrt{1+x} - 1}{x} \]
is continuous at
\( x = 0 \),
then
\( f(0) \)
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Limits
If
\[ 3f(x) - 2f\left(\frac{1}{x}\right) = x, \]
then
\( f'(2) \)
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Inequalities
If
\[ \frac{d}{dx} \left(\frac{1 + x^2 + x^4}{1 + x + x^2}\right) = ax + b, \]
then
\( (a,b) \)
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Differentiation
If
\[ y = \sin^{-1} x, \]
then
\[ (1 - x^2)y_2 - xy_1 = 0. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Differentiation
If the percentage error in the radius of a circle is 3, then the percentage error in its area is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Error analysis
The equation of the tangent to the curve
\[ y = x^3 - 2x + 7 \]
at the point
\( (1,6) \)
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Tangents and Normals
The distance \( s \) traveled by a particle in time \( t \) is given by:
\[ s = 4t^2 + 2t + 3. \]
The velocity of the particle when
\( t = 3 \)
seconds is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Differentiation
If
\[ a^2 x^4 + b^2 y^4 = c^6, \]
then the maximum value of
\( xy \)
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int \frac{\sin^6 x}{\cos^8 x} \, dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int \frac{x^5}{x^2 + 1} dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int \sum_{r=0}^{\infty} \frac{x^r 3^r}{2r} dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int \frac{x^4 + 1}{x^6 + 1} dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int e^x (x+1)^2 dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ \int_{0}^{\frac{\pi}{4}} \frac{x^2}{(x \sin x + \cos x)^2} dx. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Definite and indefinite integrals
Evaluate the integral
\[ I = \int_0^1 \frac{x}{(1 - x)^{3/4}} \, dx \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Integration
Evaluate the integral
\[ I = \int_{-1}^{1} \left( \sqrt{1 + x + x^2} - \sqrt{1 - x + x^2} \right) \, dx \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Definite and indefinite integrals
Evaluate the integral
\[ I = \int_1^5 \left( |x - 3| + |1 - x| \right) \, dx \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Definite and indefinite integrals
The differential equation formed by eliminating arbitrary constants \( A \) and \( B \) from the equation
\[ y = A \cos 3x + B \sin 3x \]
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Differential equations
If
\[ \cos x \frac{dy}{dx} - y \sin x = 6x, \quad (0 < x < \frac{\pi}{2}) \quad \text{and} \quad y(\frac{\pi}{3}) = 0, \quad \text{then} \quad y(\frac{\pi}{6}) = \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Differential equations
The solution of the differential equation
\[ \frac{dy}{dx} = \frac{y + x \tan \left( \frac{y}{x} \right)}{x}. \] \[ \sin\frac{y}{x} = \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Differential equations
Evaluate the limit:
\[ \lim_{x \to 0} \frac{\sin(\pi \cos^2 x)}{x^2}. \]
AP EAPCET - 2024
AP EAPCET
Mathematics
Limits
If the plane
\[ x - y + z + 4 = 0 \]
divides the line joining the points
\[ P(2,3,-1) \quad \text{and} \quad Q(1,4,-2) \]
in the ratio \( l:m \), then \( l + m \) is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Section Formula
The equation of a circle which touches the straight lines
\[ x + y = 2, \quad x - y = 2 \]
and also touches the circle
\[ x^2 + y^2 = 1 \]
is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Circles
If the ordinates of points \( P \) and \( Q \) on the parabola
\[ y^2 = 12x \]
are in the ratio 1:2, then the locus of the point of intersection of the normals to the parabola at \( P \) and \( Q \) is:
AP EAPCET - 2024
AP EAPCET
Mathematics
Locus of Normals
The radical axis of the circles
\[ x^2 + y^2 + 2gx + 2fy + c = 0 \]
and
\[ 2x^2 + 2y^2 + 3x + 8y + 2c = 0 \]
touches the circle
\[ x^2 + y^2 + 2x + 2y + 1 = 0. \]
Then:
AP EAPCET - 2024
AP EAPCET
Mathematics
Circles
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