sin x - x cosx
sinx + x cosx
sinx - cosx
sinx + cosx
Correct answer is B
If y = x sinx, then
Let u = x and v = sinx
dudx = 1 and dvdx = cosx
Hence by the product rule,
dydx = v dudx + udvdx
= (sin x) x 1 + x cosx
= sinx + x cosx
Correct 241.34(3 x 10-3)2 to 4 significant figures...
If xo is obtuse, which of the following is true?...
The values of x when y = 3 are approximately...
For what range of values of x is 4x - 3(2x - 1) > 1? ...
If y∝1√x and x = 16 when y = 2, find x when y = 24...
Find the root of the equation 2x2 - 3x - 2 = 0 ...