List of top Questions asked in AP EAPCET

Two sides of a triangle are given. If the area of the triangle is maximum, then the angle between the given sides is

Let \[ f(x)= \begin{cases} |x|, & -\infty\lt x\lt 2 \\ |2x-4|, & 2\leq x\leq 20 \end{cases} \] \(x=a\) is a point where \(f(x)\) is continuous but not differentiable and \(x=b\) is a point where \(f(x)\) is not differentiable \((a\neq b)\). Then \(a+b=\)

The angle between the tangents drawn at \((0,0)\) to the curves \[ y^3-x^2y+5y-2x=0 \] and \[ x^4-x^3y^2+5x+2y=0 \] is

If \(n\gt 0\) and \[ \lim_{x\to 0}\frac{((a-n)nx-\tan x)\sin nx}{x^2}=0, \] then minimum value of \(a\) is

The value of \[ \lim_{x\to 0}\left(\frac{e^x-1}{x}\right)^{\frac{1+x-e^x}{x}} \] is

The value of \[ \lim_{n\to \infty}\sum_{r=1}^{n}\cot^{-1}\left(r^2+\frac{3}{4}\right) \] is

If \((3,4,-7)\) is the foot of the perpendicular drawn from the point \((-2,3,6)\) to the plane \(\pi\), then the sum of the intercepts made by the plane \(\pi\) on the \(x\)- and \(y\)-axes is

If \((l_1,m_1,n_1)\) and \((l_2,m_2,n_2)\) are the direction cosines of two lines satisfying the relations \[ l^2+mn-6n^2=0 \] and \[ 2l-m+3n=0, \] then \[ |l_1l_2|+|m_1m_2|= \]

Let \[ x^2+y^2=16 \] be the equation of the auxiliary circle of a hyperbola \[ \frac{x^2}{a^2}-\frac{y^2}{b^2}=1 \] and let \((4\sqrt{2},3)\) be a point on the hyperbola. Then the eccentricity of the hyperbola is

The distance between the tangent lines to the hyperbola \[ x^2-2y^2=18 \] which are perpendicular to the line \(y=x\) is

The length of the latus rectum of the parabola \[ (x-2)^2+(y-3)^2=\frac{1}{25}(3x-4y+7)^2 \] is

The values of \(\lambda\), for which \((\lambda,\lambda-2)\) lies inside the ellipse \[ 4x^2+9y^2=36 \] and outside the parabola \[ y^2=x, \] satisfy

Let the centroid of a triangle formed by the points \(A(4,x,1)\), \(B(y,-5,2)\), and \(C(7,8,3)\) be \(G(3,5,2)\), and \(CG\) meet \(AB\) in \(F\). Then \(F=\)

The radical centre of the circles \[ x^2+y^2+3x+2y+1=0, \] \[ x^2+y^2-x+6y+5=0 \] and \[ x^2+y^2+5x-8y+15=0 \] is

If the equation \[ ax^2+by^2+2hxy+2gx+2fy+c=0 \] represents a circle passing through the origin, then

The equation of a tangent to the circle \[ x^2+y^2=1, \] which is perpendicular to the line \[ y=mx+1, \] is

Number of triangles formed by the lines \[ x-y+3=0,\quad 2x-y+3=0,\quad 3x-y+2=0 \] and \[ x+y-3=0 \] is

The distance between the lines represented by \[ 4x^2+20xy+25y^2+2x+5y-12=0 \] is equal to

If the circle \[ x^2+y^2+2ax+c=0 \] lies completely inside the circle \[ x^2+y^2+2bx+c=0, \] then which of the following holds?

If the line \[ 3x-4y=1 \] touches the circle \[ (x-1)^2+(y+2)^2=4 \] at \((\alpha,\beta)\), the values of \(\alpha\) and \(\beta\) are

The two pairs of straight lines \[ 12x^2+7xy-12y^2=0 \] and \[ 12x^2+7xy-12y^2-x+7y-1=0 \] constitute a

For the three points \(A(2,0)\), \(B(0,2)\) and \(P(1,1)\), suppose \(d\) is the algebraic sum of the distances of \(A\) and \(B\) from a line that passes through \(P\). Then which of the following is correct?

A discrete random variable \(X\) has the distribution \(B(15,p)\). Given that \[ \operatorname{Var}(X)=3.15, \] then the two possible values of \(p\) are

When success is not an impossible event, then the mean of Binomial distribution is

The triangle with vertices at \[ (-2,2),\ (2,-2)\ \text{and}\ (1,1) \] is