Integrate: x2/x4+x2+1 dx
Find the distance of the point (2,3,4,) from the plane r.(3i-6j+2k)= -11
show that the function f: R ---->R given by f(x)=x3 + x is a bijection.
(sinx + cosx)/sin^4x+cos^4x
Show that the lines :
(x-1) /2 = (y-2) /3 = (z-3) /4 and (x-4) /5 = (y-1) 2 = z
intersect. find their point of intersection.
if y= [log(x+root x2+1)]2 show that (1+x2) d2y/dx2 +xdy/dx =2
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