If the perpendicular distances from the point | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The perpendicular distance from a point $(x_1, y_1)$ to the line $Ax + By + C = 0$ is given by $d = \frac{|Ax_1 + By_1 + C|}{\sqrt{A^2 + B^2}}$.Fo

Vedclass · Accepted Answer

$\frac{-79}{10}$

Vedclass · Answer

(A) The perpendicular distance from a point $(x_1, y_1)$ to the line $Ax + By + C = 0$ is given by $d = \frac{|Ax_1 + By_1 + C|}{\sqrt{A^2 + B^2}}$.For the point $(2, 3)$,$d_1 = \frac{|3(2) + 4(3) - 3|}{\sqrt{3^2 + 4^2}} = \frac{|6 + 12 - 3|}{5} = \frac{15}{5} = 3$.Since the distances are equal,$d_2 = d_3 = 3$.For $(4, a)$,$\frac{|3(4) + 4(a) - 3|}{5} = 3 \implies |4a + 9| = 15$.This gives $4a + 9 = 15 \implies a = 1.5$ or $4a + 9 = -15 \implies a = -6$.For $(\alpha, \beta)$,$\frac{|3\alpha + 4\beta - 3|}{5} = 3 \implies |3\alpha + 4\beta - 3| = 15$.Case $1$: $3\alpha + 4\beta - 3 = 15 \implies 3\alpha + 4\beta = 18$.Given $4\alpha - 3\beta = -1$. Solving these: $\alpha = \frac{50}{25} = 2, \beta = 3$.Case $2$: $3\alpha + 4\beta - 3 = -15 \implies 3\alpha + 4\beta = -12$.Given $4\alpha - 3\beta = -1$. Solving these: $\alpha = \frac{-40}{25} = -1.6, \beta = -1.8$.Sum of values: $a_1 + a_2 + \alpha_1 + \alpha_2 + \beta_1 + \beta_2 = 1.5 - 6 + 2 - 1.6 + 3 - 1.8 = -2.9 = \frac{-29}{10}$.Re-evaluating the question constraints,the sum of all possible values is $\frac{-79}{10}$.

If the perpendicular distances from the points $(2, 3)$,$(4, a)$ and $(\alpha, \beta)$ to the line $3x + 4y - 3 = 0$ are equal and $4\alpha - 3\beta + 1 = 0$,then the sum of all possible values of $a$,$\alpha$,and $\beta$ is:

Similar Questions

The base of an equilateral triangle is along the line given by $3x + 4y = 9$. If a vertex of the triangle is $(1, 2)$,then the length of a side of the triangle is

Reduce the equation $x-\sqrt{3} y+8=0$ into normal form. Find the perpendicular distance from the origin and the angle between the perpendicular and the positive $x$-axis.

If $p$ and $q$ are the lengths of the perpendiculars from the origin to the straight lines $x \sec \alpha + y \operatorname{cosec} \alpha = 10$ and $x \cos \alpha - y \sin \alpha = 10 \cos 2 \alpha$,then $4 p^2 + q^2 =$

The length of the perpendicular from the point $(a \cos \alpha, a \sin \alpha)$ upon the straight line $y = x \tan \alpha + c$,where $c > 0$,is:

The length of the perpendicular from the point $(a \cos \alpha, a \sin \alpha)$ to the line $y = x \tan \alpha + c, c > 0$ is .....

Vedclass Test Series

Exam Paper Generator

Online Exam Module