AP EAMCET · Maths · Straight Lines
If \(\mathrm{O}(0,0,0), \mathrm{A}(3,0,0), \mathrm{B}(0,4,0)\) form a triangle then the incentre of triangle OAB is
- A \((0,1,0)\)
- B \((0,1,1)\)
- C \((1,0,1)\)
- D \((1,1,0)\)
Answer & Solution
Correct Answer
(D) \((1,1,0)\)
Step-by-step Solution
Detailed explanation
\(\vec{O}=0, \vec{a}=3 \hat{i}, \vec{b}=4 \hat{j}\)…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- The points \(A(2,-1,4), B(1,0,-1), C(1,2,3)\) and \(D(2,1,8)\) form aAP EAMCET 2019 Easy
- If \(A\) is a non-zero square matrix of order \(n\) with \(\operatorname{det}(I+A) \neq 0\) and \(A^3=O\), where \(I, O\) are unit and null matrices of order \(n \times n\) respectively, then \((I+A)^{-1}\) is equal toAP EAMCET 2010 Hard
- Let and , then the quadratic equation whose roots are solutions of the equation for isAP EAMCET 2021 Hard
- For \(n \geq 2\), let \(I_n=\int_0^{\pi / 4} \tan ^n x d x\) and \(F_n=I_n+I_{n-2}\). Then, \(F_n-F_{n+1}=\)AP EAMCET 2018 Medium
- The line \(x-2 y-3=0\) cuts the parabola \(y^2=4 \mathrm{ax}\) at the points P and Q . If the focus of this parabola is \(\left(\frac{1}{4}, k\right)\), then \(P Q=\)AP EAMCET 2024 Easy
- The ratio of the areas of the concentric circles \(x^2+y^2-\) \(6 x+12 y+15=0\) and \(x^2+y^2-6 x+12 y-15=0\) isAP EAMCET 2022 Easy
More PYQs from AP EAMCET
- Magnetic induction at the centre of a circular loop of area \(\pi \mathrm{m}^2\) is 0.1 tesla. The magnetic moment of the loop is ( \(\mu_0=\) permeability of air \()\)AP EAMCET 2004 Easy
- If \(200 \mathrm{MeV}\) of energy is released in the fission of one nucleus of \({ }_{92}^{236} \mathrm{U}\), the number of nuclei that must undergo fission to release an energy of \(1000 \mathrm{~J}\) isAP EAMCET 2011 Medium
- A region contains a uniform electric field \(\mathbf{E}=(10 \hat{\mathbf{i}}+30 \hat{\mathbf{j}}) \mathrm{Vm}^{-1} . A\) and \(B\) are two points in the field at \((1,2,0) \mathrm{m}\) and \((2,1,3) \mathrm{m}\), respectively. The work done when a charge of \(0.8 \mathrm{C}\) moves from \(A\) to \(B\) in a parabolic path isAP EAMCET 2016 Medium
- The order and degree of the differential equation \(\left(\frac{d^3 y}{d x^3}\right)^{\frac{1}{2}}-2\left(\frac{d y}{d x}\right)^{\frac{1}{4}}+x y=0\) are respectivelyAP EAMCET 2023 Medium
- Which one of the following statements is correct?AP EAMCET 2002 Medium
- 96.5 amperes current is passed through the molten \(\mathrm{AlCl}_3\) for 100 seconds. The mass of aluminium deposited at the cathode is (atomic weight of \(\mathrm{Al}=27 \mathrm{u}\) )AP EAMCET 2022 Easy