Differentiate sin x - x cos x
...Differentiate sin x - x cos x
x cos x
x sin x
-x cos x
-x sin x
Correct answer is B
sin x - x cos x
dy/dx = cos x - [1.cos x + x -sin x]
= co x - [cos x - x sin x]
= cos x - cos x + x sin x
= x sin x
The upper quartile of the distribution is ...
Find the sum of the first five terms of the G.P 2,6, 18 .... ...
If the ratio x:y = 3:5 and y:z = 4:7, find the ratio x:y:z ...
\(\begin{array}{c|c} Scores & 0 - 4 & 5 - 9 & 10 - 14\\ \hline Frequency & 2 &...
The determination of the matrix \(\begin{pmatrix} 1 & 3 & 3 \\ 4 & 5 & 6\\ 2 & 0...