TS EAMCET · Maths · Vector Algebra
If \(\mathbf{a}=2 \hat{\mathbf{j}}-3 \hat{\mathbf{j}}+\hat{\mathbf{k}}, \mathbf{b}=\hat{\mathbf{i}}-\hat{\mathbf{j}}+2 \hat{\mathbf{k}}\) and \(\mathbf{c}=2 \hat{\mathbf{i}}+\hat{\mathbf{j}}+\hat{\mathbf{k}}\) are three vectors, then \(|(\mathbf{a} \times \mathbf{b}) \times \mathbf{c}|=\)
- A \(|\mathbf{a} \times(\mathbf{b} \times \mathbf{c})|\)
- B \(\frac{\sqrt{39}}{\sqrt{11}}|\mathbf{a} \times(\mathbf{b} \times \mathbf{c})|\)
- C \(\sqrt{\frac{11}{39}}|\mathbf{a} \times(\mathbf{b} \times \mathbf{c})|\)
- D \(\sqrt{11}|\mathbf{a} \times(\mathbf{b} \times \mathbf{c})|\)
Answer & Solution
Correct Answer
(C) \(\sqrt{\frac{11}{39}}|\mathbf{a} \times(\mathbf{b} \times \mathbf{c})|\)
Step-by-step Solution
Detailed explanation
We have,…
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 \(A B C\) is an isosceles triangle with base \(B C\), then \(r r_1=\)TS EAMCET 2024 Easy
- If is the solution of the differential equation , then ?TS EAMCET 2020 Medium
- If \(f(x)=\frac{x\left(a^x-1\right)}{1-\cos x}\) and \(g(x)=\frac{x\left(1-a^x\right)}{a^x\left(\sqrt{1-x^2}-\sqrt{1+x^2}\right)}\), then \(\lim _{x \rightarrow 0}(f(x)-g(x))=\)TS EAMCET 2025 Hard
- If \(m: n\) is the ratio in which the point \(\left(\frac{8}{5},-\frac{1}{5}, \frac{8}{5}\right)\) divides the line segment joining the points \((2, \mathrm{p}, 2)\) and \((\mathrm{p},-2, \mathrm{p})\) where p is an integer then \(\frac{3 m+n}{3 n}=\)TS EAMCET 2025 Medium
- \(\int \frac{x^2+1}{x^4+7 x^2+1} d x\) is equal toTS EAMCET 2016 Medium
- The variance of the following continuous frequency distribution is \(\begin{array}{|l|c|c|c|c|}\hline \text{Class interval} & 0-4 & 4-8 & 8-12 & 12-16 \\hline \text{Frequency} & 2 & 3 & 2 & 1 \\hline\end{array}\)TS EAMCET 2024 Easy
More PYQs from TS EAMCET
- If where thenTS EAMCET 2021 Easy
- At an election a voter may vote for any number of candidates not exceeding the number to be elected. If 4 candidates are to be elected out of the 12 contested in the election and voter votes for at least one candidate, then the number of ways in which a voter can vote isTS EAMCET 2020 Easy
- The derivate of with respect to at isTS EAMCET 2021 Easy
- Assertion (A): Alkali metals and their salts impart characteristic flame colours. Reason (R): Alkali metals have low ionization enthalpy values. So, electron excitation is possible. The correct option among the following isTS EAMCET 2023 Medium
- If \(\frac{3 x^4-2 x^2+1}{(x-2)^4}=A+\frac{B}{x-2}+\frac{C}{(x-2)^2}+\frac{D}{(x-2)^3}+\frac{E}{(x-2)^4}\), then \(2 A+3 B-C-D+E=\)TS EAMCET 2024 Hard
- What are X and Y respectively in the following reactions?
TS EAMCET 2024 Easy