AP EAMCET · Maths · Vector Algebra
\(\vec{a}=\alpha \hat{i}+\beta \hat{j}+3 \hat{k}, \vec{b}=\hat{j}+2 \hat{k}, \vec{c}=3 \hat{i}+2 \hat{j}+\hat{k}\) arelinearly dependent vectors and magnitude of \(\vec{a}\) is \(\sqrt{14}\). If \(\alpha, \beta\) are integers then \(\alpha+\beta=\)
- A 3
- B -3
- C 5
- D -5
Answer & Solution
Correct Answer
(A) 3
Step-by-step Solution
Detailed explanation
Since \(\vec{a}, \vec{b}, \vec{c}\) are linearly dependent.…
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
- If \(\cos A+\cos B+\cos C=0=\sin A+\sin B+\sin C\), then \(\cos (A-B)=\)AP EAMCET 2023 Medium
- If \(\int \sqrt[3]{x}\left\{1+\sqrt[3]{x^4}\right\}^{1 / 7} d x=A\left(1+\sqrt[3]{x^4}\right)^B+c\), then value of \(A B\) is equal toAP EAMCET 2021 Medium
- If a real valued function \(f(x)=\left\{\begin{array}{cc}(1+\sin x)^{\operatorname{cosec} x}, & -\pi / 2 < x < 0 \\ a, & x=0 \\ \frac{e^{2 / x}+e^{3 / x}}{a e^{2 / x}+b e^{3 / x}}, & 0 < x < \pi / 2\end{array}\right.\), is continuous at \(\mathrm{x}=0\), then \(\mathrm{ab}=\)AP EAMCET 2025 Medium
- In a game, a pair of dice is rolled 24 times. If a person wins the game by not getting 6 on both the dice in any one of the 24 rolls, then the probability that a person wins the game isAP EAMCET 2023 Medium
- If takes all real values for then the range of isAP EAMCET 2019 Easy
- If the quadratic equation formed by eliminating \(x\) from \(x^2+\alpha x+\beta=0\) and \(x y+l(x+y)+m=0\) has the same roots as that of the given quadratic equation, then the set of values of \(\beta\) isAP EAMCET 2018 Medium
More PYQs from AP EAMCET
- If and are the roots of the quadratic equation , then the equation whose roots are is given by ______AP EAMCET 2021 Medium
- If the values for and respectively are , and , then identify the correct increasing order of their solubilities.AP EAMCET 2021 Medium
- The refracting angle of a prism is \(A\) and the refractive index of the material of the prism is \(\cot (A / 2)\). The angle of minimum deviation of the prism isAP EAMCET 2004 Easy
- In \(\triangle \mathrm{ABC}\) if \(\left\lfloor C=90^{\circ}\right.\), then \(\frac{\left(\sin ^2 A+\sin ^2 B\right)}{\left(\sin ^2 A-\sin ^2 B\right)} \sin (A-B)=\)AP EAMCET 2017 Medium
- Identify the structure of the compound which is responsible for Bhopal disaster?AP EAMCET 2021 Medium
- A game consists of tossing a coin 3 times and noting its outcome. A boy wins the game if all tosses give the same outcome (i.e three heads or three tails) and loses the game otherwise. The probability that the boy loses the game isAP EAMCET 2023 Easy