# Recently Active Mathematics Questions

• The angle of elevation of the sun, when the shadow of the pole is 3 times the height of the pole, is? ...
replied2014-06-05 22:17:53
• tan-1(tan 7) = a:7-2Î b:2Î -7 c:7 Please give the reason behind the answer. ...
replied2014-06-04 03:44:15
• the positive values of a for which the equation [x+a]=sin(Ï€x/2) will have no solution is,where [.] denotes greatest integer function- a) (0,1); b)(1,2);c) (0,2);d) NOT. ...
• 1)If sin-1x + tan -1x = , then 2x2 + 1= 2)2 sin -1x = cos-1 (1 -2x2) is true for a. -1<=x<=1 b.-1<=x<=0 c.0<=x<=1 d.None of these 3)7)If sin-1x+sin-1y=2pi/3, cos-1xâ€“cos-1y=pi/3, the number of ordered pairs ...
replied2014-06-01 19:42:47
• (A) âˆ«1/ cos6(x) + sin6(x) (B) ...
replied2014-05-29 20:46:14
• *Image* ...
replied2014-05-29 09:47:07
• (a) )\int 1/COS^{6}(x)) + SIN^{6}(X)) ...
replied2014-05-29 01:40:50
• lim [(1+x)^(1/x) -e]/x xâ†’0 ...
replied2014-05-26 20:19:44
• (A) âˆ«dx/ sin11xcosx (B) âˆ« cos3x/sin11x please show the steps ...
replied2014-05-26 20:04:50
• What is the value of tan1tan2tan3...........tan89? ...
replied2014-05-26 00:27:01
• Integral Of (a) Sec(X)+1 (B) âˆ«{cos(5x) + cos(4x)}/1-2cos(3X) (C) âˆ« {F(x)Ï†'(x) + F'(x)Ï†(x)} / (F(x)Ï†(x)+1) Ï†(x)f(x) + 1 ...
replied2014-05-24 08:47:39
• If âˆ«f(x)sinxcosxdx=lnf(x)/(b2 -a2) +c then f(x)=? ...
replied2014-05-23 21:22:54
• Integral Of (a) Sec(X)+1 (B) âˆ«{cos(5x) + cos(4x)}/1-2cos(3X) (C) âˆ« {F(x)Ï†'(x) + F'(x)Ï†(x)} / (F(x)Ï†(x)+1) Ï†(x)f(x) + 1 ...
• an {{1}^{o}} an {{2}^{o}} an {{3}^{o}} an {{4}^{o}}............ an {{89}^{o}}= a) 1 b) 0 c) infty d) Â½ ...
0·1· #Mathematics
replied2014-05-21 10:19:56
replied2014-05-21 04:31:15
• 1. *Image* 2. *Image* 3. *Image* ...
replied2014-05-21 03:29:23
• If f(x) = frac{x}{{x - 1}}, then frac{f(a)}{f(a+1)} a) f(-a) b) fleft( {frac{1}{a}} ight) c) f({a^2}) d) fleft(frac{-a}{a-1} ight) ...
• Consider the parabola x2 = 4y and circle x2 + (y â€“ 5)2 = r2 (r > 0). Given that the circle touches the parabola at the points P and Q. Let R be the point of intersection of tangents to parabola at P and Q and S be the ce ...
• viii) f( x) =((2x-1)/(x-1)) ...
replied2014-05-20 02:04:26
• f(x)= log[x]/x evaluate limit xâ†’ âˆž ...
replied2014-05-19 11:07:04
• mathop {lim }limits_{n o infty } frac{{{1^p} + {2^p} + {3^p} + ........ + {n^p}}}{{{n^{p + 1}}}} = a) frac{1}{{p + 1}} b) frac{1}{{1 - p}} c) frac{1}{p} - frac{1}{{(p - 1)}} d) frac{1}{{p + 2}} ...
• There are three coplanar parallel lines.If any p points are taken on each of the line,the maximum number of triangles with vertices at these points is a.3p2(p-1) b.3p2(p-1)+1 c.p2(4p-3) d.None of these ...
replied2014-05-19 08:09:10
• the amount of water contained in a sphere o9f radius 3cm is pour into a cube of 5cm . the height up to which water will rise i the cube is.... a)2 cm b)3Ï€/4 cm c)0.5Ï€ cm d)1.44Ï€ cm pllzzz the workout as well.. thanku... ...
replied2014-05-18 23:45:02
• f(x)= (1-cosx) (1-cosx)..... upto âˆž ...
replied2014-05-18 20:06:09
• f(x)=mod(x-1)-[x] evaluate limit xâ†’ 1 ...
replied2014-05-18 11:34:45
• f(x+y)=f(x)+f(y) f(x)is a)even or b)odd function please show the working ...
replied2014-05-18 11:31:32
• f(x)=|cos x| prove that it is periodic f(x)= [x] prove that it is non periodic ...
replied2014-05-18 11:17:18
• f(x)= log[x]/x evaluate limit xâ†’ âˆž ...