AP EAMCET · Maths · Vector Algebra
are three vectors such that If are perpendicular to the vectors respectively, then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Given, |a→|=3, |b→|=5, |c→|=7 Now, a→⊥b→+c→. Therefore, a→·b→+c→=0 a→·b→+a→·c→=0 ...i Similarly, b→·c→+a→=0…
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
- In a \(\triangle A B C\), if \(a \cos ^2 \frac{C}{2}+c \cos ^2 \frac{A}{2}=\frac{3 b}{2}\), then the sides of the triangle are inAP EAMCET 2011 Hard
- The cubic equation whose roots are the squares of the roots of \(x^3-2 x^2+10 x-8=0\), isAP EAMCET 2014 Hard
- If \((1+x)^n=\sum_{r=0}^n C_r x^r\), then the value of \(C_0+\left(C_0+C_1\right)+\left(C_0+C_1+C_2\right)+\ldots+\) \(\left(\mathrm{C}_0+\mathrm{C}_1+\mathrm{C}_2+\ldots+\mathrm{C}_{\mathrm{n}}\right)\) isAP EAMCET 2025 Medium
- Find the equation of a circle which cuts the circle \(x^2+y^2-6 x+4 y-3=0\) orthogonally, while passing through \((3,0)\) and touching the \(Y\)-axis.AP EAMCET 2021 Easy
- If the equation \(x^5-3 x^4-5 x^3+27 x^2-32 x+12=0\) has repeated roots, then the prime number that divides the non-repeated root of this equation isAP EAMCET 2017 Medium
- In a school there are 3 sections A, B and C. Section A contains 20 girls and 30 boys, section B contains 40 girls and 20 boys and section C contains 10 girls and 30 boys. The probabilities of selecting the section \(\mathrm{A}, \mathrm{B}\) and C are \(0.2,0.3\) and 0.5 respectivley. If a student selected at random from the school is a girl, then the probability that she belongs to section A isAP EAMCET 2025 Medium
More PYQs from AP EAMCET
- Inside a charged hollow sphere, at any point the electric field (E) and potential (V) areAP EAMCET 2023 Easy
- The atomic numbers of elements \(A, B, C\) and \(D\) are \(Z-1, Z, Z+1\) and \(Z+2\), respectively. If ' \(B\) ' is a noble gas, choose the correct answers from the following statements
(1) ' \(A\) ' has higher electron affinity
(2) ' \(C\) ' exists in +2 oxidation state
(3) ' \(D\) ' is an alkaline earth metalAP EAMCET 2008 Easy - In the given reactions, ' \(\mathrm{X}\) ' and ' \(\mathrm{Y}\) ' respectively are
\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{NH}_2 \stackrel{\mathrm{X}}{\longleftrightarrow} \mathrm{C}_6 \mathrm{H}_5 \mathrm{CONH}_2 \stackrel{\mathrm{Y}}{\longrightarrow} \mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2\)AP EAMCET 2023 Medium - Which compound among the following has the highest dipole moment?AP EAMCET 2021 Easy
- In which of the following reactions, \(\mathrm{H}_2\) is liberated?
i. \(\mathrm{Al}(\mathrm{s})+\mathrm{H} \mathrm{Cl}(\mathrm{aq}) \rightarrow\)
ii. \(\mathrm{A} /(\mathrm{s})+\mathrm{NaOH}(\mathrm{aq}) \rightarrow\)
iii. \(\mathrm{B}_2 \mathrm{H}_6(\mathrm{~g})+\mathrm{H}_2 \mathrm{O}(l) \rightarrow\)
iv. \(\mathrm{F}_2(\mathrm{~g})+\mathrm{H}_2 \mathrm{O}(l) \rightarrow\)AP EAMCET 2018 Medium - If \(f: R \rightarrow R\) and \(g: R \rightarrow R\) are two functions defined by \(f(x)=2 x-3\) and \(g(x)=5 x^2-2\), then the least value of the function \((g \circ f)(x)\) isAP EAMCET 2025 Medium