\(\sqrt{13}\)
\(3\sqrt{13}\)
\(6\sqrt{13}\)
\(9\sqrt{13}\)
Correct answer is B
Given \(a = i - 3j; b = -2i + 5j; c = 3i - j\)
\(a- b + c = (1 - (-2) + 3)i + (-3 - 5 + (-1))j = 6i - 9j\)
\(|a - b + c| = \sqrt{6^{2} + (-9)^{2}} = \sqrt{36 + 81} = \sqrt{117}\)
\(= \sqrt{9 \times 13} = 3\sqrt{13}\)
Which of the following is nor a measure of central tendency? ...
If \(\frac{6x + k}{2x^2 + 7x - 15}\) = \(\frac{4}{x + 5} - \frac{2}{2x - 3}\). Find the value ...
Find the number of different arrangements of the word IKOTITINA. ...
Simplify \(\frac{\log_{5} 8}{\log_{5} \sqrt{8}}\)....
Express \(\frac{8 - 3\sqrt{6}}{2\sqrt{3} + 3\sqrt{2}}\) in the form \(p\sqrt{3} + q\sqrt{2}\)...
If \(g(x) = \frac{x + 1}{x - 2}, x \neq -2\), find \(g^{-1}(2)\)....
>Evaluate: \(\int(2x + 1)^3 dx\)...
Marks 2 3 4 5 6 7 8 No of students 5 7 9 6 3 6 4 The table above sho...