# Recently Active Mathematics Questions

• The equation x + frac{2}{{1 - x}} = 1 + frac{2}{{1 - x}}, has a) No real root b) One real root c) Two equal roots d) Infinitely many roots ...
replied2015-07-31 17:01:03
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replied2015-06-11 23:02:36
• I am stuck with L Hospital rule. Its not explained properly in my textbook. Please tell me how to find limits using this rule. ...
0·1· #Mathematics
replied2015-05-27 13:29:27
• Prove that n*(n+1)*(2n+1) is divisible by 6, for any n>0 ...
replied2015-05-21 13:55:56
• The answer is given as only transitive. Why? Can someone please explain ...
• 1.the radius of the circle whose centre is[-4,0] and which cuts the parabola y2=8x at A and B such that its common chord AB subtends a right angle at the vertex of the parabola is equal to a.4 b.3 c. 18 d.5 2.a normal is draw ...
replied2014-09-09 07:40:41
• In Δ PQR, A, B and C are points on PQ, QR and PR such that PA/AQÂ =QB/BRÂ =RC/CPÂ =23. If the area of ΔPQR = 100 sq.cm, then what is the area of ΔABC in sq.cm? a) 28Â sq. cm b) 44.44 sq.cm c) 36 sq.cm d) 16. ...
0·0· #Mathematics
• If Tan A/2 = (Tan B/2)3 and Tan B = 2 Tan C then find (A + B)\C. ...
• If z1,z2 and z3,z4 are two pairs of conjugate complex numbers, prove that arg(z1/z4) + arg(z2/z3) = 0. ...
• If m men and n women are to be seated in a row such that no two women seat together,then find the ways in this can be done. ...
• The value of {{log }_{-3}}-27= a) 3 b) -3 c) Cannot be determined d) None of these ...
0·1· #Mathematics
replied2014-09-03 08:53:57
• prove that the polars of any point with respect to a system of coaxal circles all pass through a fixed point and that the two points are equidistant from the radical axis and subtend a right angle at a limiting point of the s ...
• 12+14+24+58+164+........+n=????? The answer is 3n-n2+11n-1 Please someone show me the way to solve it. ...
replied2014-08-25 23:39:46
• if the point [3,4] lies on the locus of the point of intersection of the lines xcos(Î±)+ysin(Î±)=a and xsin(Î±)-ycos(Î±)=b, (Î± is variable), the point (a,b) lies on the line 3x-4y=0 then 9a4+16b4+34 is equal to ...
replied2014-08-20 22:33:16
• The ratio of A.M. (arithmetic mean) and G.M. (geometric mean) of two positive number a and b is m:n. Prove that a:b = (m2 + m2 - n2 ):(m2 - m2 - n2 ...
• which one is greater: A=20104019 or B=2009200920112011 ...
replied2014-08-14 04:33:31
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replied2014-08-13 23:58:11
• PN, PM, and AB are tangents to the circle as shown. If PM = 11 in., then find the perimeter of Î”PAB. *Image* 32 in. 27 in. 26 in. 22 in. ...
replied2014-08-09 04:04:20
• If the points (â€“5, 1), (p, 5) and (10, 7) are collinear, then the value of p will be a) 5 b) 3 c) 4 d) 7 ...
0·0· #Mathematics
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replied2014-08-08 11:08:22
• How high is a parabolic arch of span 24 m and height 18m at a distance of 8 m from the centre of the span? ...
replied2014-08-08 07:29:21
• If the points (1, 1), (â€“1, â€“1) and (-√3, k) are vertices of an equilateral triangle then the value of k will be a) 1 b) -1 c) -√3 d) √3 ...
0·0· #Mathematics
• when an article is sold for Rs.X ,loss percentage is equal to L%. however,when same article is sold for Rs. Y ,profit percentage is equal to P%. what is CP of that article? ...
• 1.\int_{0}^{x}[1+t]^{3}dt 2.\int_{0}^{x}[x]dx plz help sir ...
replied2014-08-08 00:12:17
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replied2014-08-07 07:34:06
• Which of the following figures has the largest area? I. A circle of radius *Image* II. An equilateral triangle whose sides each have length 4 III. A triangle whose sides have lengths 3, 4 and 5 a) I b) II c) III d) I and III ...
0·0· #Mathematics