Question:
A ray of light coming from (3, 1) incident on 2x + y = 6 and deflected ray passing through (7, 2). If equation of incident ray is ax + by + 1 = 0, then a2 + b2 + 3ab =
A ray of light coming from (3, 1) incident on 2x + y = 6 and deflected ray passing through (7, 2). If equation of incident ray is ax + by + 1 = 0, then a2 + b2 + 3ab =
Updated On: Sep 14, 2024
- \(\frac{11}{25}\)
- \(-\frac{11}{25}\)
- \(-\frac{3}{5}\)
- \(\frac{3}{5}\)
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The Correct answer is option is (B) : \(-\frac{11}{25}\)
Was this answer helpful?
0
0
Top Questions on Distance of a Point From a Line
- Find the point on the line \( \frac{x-1}{3} = \frac{y+1}{2} = \frac{z-4}{3} \) at a distance of \( \sqrt{2} \) units from the point \( (-1, -1, 2) \).
- CBSE CLASS XII - 2025
- Mathematics
- Distance of a Point From a Line
- Find the foot of the perpendicular drawn from the point \( (1, 1, 4) \) on the line \( \frac{x+2}{5} = \frac{y+1}{2} = \frac{z-4}{-3} \).
- CBSE CLASS XII - 2025
- Mathematics
- Distance of a Point From a Line
- Find the point on the line \( \frac{x-1}{3} = \frac{y+1}{2} = \frac{z-4}{3} \) at a distance of \( \sqrt{2} \) units from the point \( (-1, -1, 2) \).
- CBSE CLASS XII - 2025
- Mathematics
- Distance of a Point From a Line
- The distance of the point \( P(-3,4,5) \) from the yz-plane is:
- KCET - 2025
- Mathematics
- Distance of a Point From a Line
- If a point $ P(x, y) $ satisfies the condition that its distance from the point $ (3, -2) $ is equal to its distance from the line $ y = 2x + 1 $, then the locus of point $ P $ is:
- BITSAT - 2025
- Mathematics
- Distance of a Point From a Line
View More Questions
Questions Asked in JEE Main exam
- In the given situation, the force at the center on 1 kg mass is \( F_1 \). Now if \( 4m \) and \( 3m \) are interchanged, the force is \( F_2 \). Given \( \frac{F_1}{F_2} = \frac{2}{\sqrt{\alpha}} \), find \( \alpha \).
- JEE Main - 2026
- Gravitation
- Find correct order of acidic strength in the following reaction products \(P, Q, R \& S\):
- JEE Main - 2026
- Organic Chemistry
- An organic compound (A) undergoes the following reactions:
- JEE Main - 2026
- Organic Chemistry
- Consider the following statements for [Ni(dmg)$_2$]: (A) It is a red coloured compound.
(B) It is readily soluble in water at pH = 9.
(C) Central metal ion has two unpaired electrons.
(D) It has four, 5-membered metal containing rings.
- JEE Main - 2026
- coordination compounds
- Select correct option :
- JEE Main - 2026
- coordination compounds
View More Questions