# Recently Active Mathematics Questions

• Find the numebr of solutions of the equation- 8[x2 - x] + 4[x]=13+12[sinx],where [.]denotes the G.I.F. ...
replied2014-06-12 10:27:52
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replied2014-06-11 23:40:00
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replied2014-06-11 23:35:21
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replied2014-06-11 22:08:03
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replied2014-06-11 22:00:23
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replied2014-06-11 21:41:54
• If f(x1) + f(x2) = f{(x1+x2)/(1+x1x2)} , find f(x). ...
replied2014-06-11 10:36:58
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replied2014-06-11 10:06:18
• limx→0 sin(πcos2x)/x2 ...
replied2014-06-10 10:38:55
• mathop {lim }limits_{x o 0} frac{{sin (pi {{cos }^2}x)}}{{{x^2}}} = a) - pi b) pi c) frac{pi }{2} d) 1 ...
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replied2014-06-10 02:08:42
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replied2014-06-09 23:09:36
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replied2014-06-09 23:09:25
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replied2014-06-09 23:08:04
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replied2014-06-09 23:07:15
• find the pint on the curve y^2=4x which is nearest to the point (2, -8) ...
replied2014-06-09 20:41:01
• \int_{0}^{1}\frac{\log_{e}(1+x)}{1+x^2} ...
replied2014-06-09 19:48:04
• The value of cos {{1}^{o}}cos {{2}^{o}}cos {{3}^{o}}.....cos {{179}^{o}} is a) frac{1}{sqrt{2}} b) 0 c) 1 d) None of these ...
0·0· #Mathematics
• ABC is right angled triangle, right angled at B. Length of AC, and angle ∠BAC are given and We want to calculate the length of BC. What can we use? a) Sine b) Cos c) Tan d) Cot ...
0·0· #Mathematics
• Let R be a relation on N defined by x + 2y = 8 . The domain of R is a) {2, 4, 8} b) {2, 4, 6, 8} c) {2, 4, 6} d) {1, 2, 3, 4} ...
• 1. lim x→0 (1+x)1/x-e+ 1/2 ex/x2 2. lim x→0( ax+bx+cx/3 )2/x ...
replied2014-06-08 19:24:34
• *Image* Pl gv solution ...
replied2014-06-08 09:23:10
• A particle moves in a straight line so that its velocity at any point is given by , where are constant. The acceleration is A. Zero B. Uniform C. Non-uniform D. Indeterminate ...
replied2014-06-08 05:26:47
• Prove that : CotA + Cot(60+a) - Cot(60 -a) = 3Cot3A ...
• Prove that: TanA + Tan(60+a) - Tan(60 -a) = 3Tan3A ...
• cos2x + cos22x + cos23x + cos24x=2...find the general value of x ...
replied2014-06-06 23:05:26
• \lim_{x\rightarrow \infty} 100[((x+1)(x+2)...(x+100))^{1/100} - x] ...
replied2014-06-06 20:33:52
• The angle of elevation of the sun, when the shadow of the pole is sqrt{3} times the height of the pole, is a) {{60}^{o}} b) {{30}^{o}} c) {{45}^{o}} d) {{15}^{o}} ...
0·0· #Mathematics
• Q1: *Image* a)-1 b)loge1 c)1 d)none q2: *Image* a) 1/2 sin3a b) 1/2 cosec2a c)sin3a d)cosec3a q3: *Image* a)1 b)-1 c)0 d)none q4:if 0<x<y then *Image* a)e b)x c)y d)none q5: *Image* a)1 b) sinx/x c) x/sinx d)none ...
replied2014-06-06 01:02:13
• mathop {lim }limits_{n o infty } left[ {frac{1}{n} + frac{1}{{n + 1}} + frac{1}{{n + 2}} + ....... + frac{1}{{3n}}} ight] = a) 0 b) {log _e}4 c) {log _e}3 d) {log _e}2 ...