# Recently Active Algebra Questions

• how to do this q using congruences find the remainder wen 32n+2-8n-9 is divided by 64? i know the procedure by binomial ...
replied2021-03-04 03:54:12
• d arithmetic mean of d roots of d equatio n 4Cos3x -4Cos2x -Cos[315pie+x]=1 ...
replied2018-06-30 07:40:10
• Plz help me in these questions..............(FIITJEE Package) 1. Prob of A wining a game is 0.4 while that of B is 0.6 . What is the probability of A wining a best of 7 games? 2. If Ram and Shyam selects two numbers at ra ...
replied2017-10-15 17:45:54
• 1) Find the no. of rational roots of- P(x) = 2x98 + 3x97 + 2x96 + 3x95 +....+2x+3 =0 (Hence, find the roots too.) 2) Least degree of a polynomial with integral coeff. of which a= 31/2007 is a zero is- a)223, b)669, c)2007, d) ...
replied2017-08-31 09:53:00
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replied2017-02-16 20:58:50
• Let a,b,c be three distinct positive numbers which are in G.P. If logca , logbc , logab are in A.P., then the common difference of the A.P. is.... REPLY SOON..... ...
replied2017-01-21 16:41:20
• 5/1.2.3 +7/3.4.5 +9/5.6.7 .......... is equal to: a) log 8/e b)log e/8 c) log mn d) none of these ...
replied2016-05-21 08:40:16
• Q.1 In how many ways can clean & clouded (overcast) days occur in a week assuming that an entire day is either clean or clouded. Q.2 Four visitors A , B , C & D arrive at a town which has 5 hotels . In how many ways can they ...
replied2015-12-08 10:27:48
• 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
• Prove that n*(n+1)*(2n+1) is divisible by 6, for any n>0 ...
replied2015-05-21 13:55:56
• 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. ...
• 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
• 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 ...
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• Find the square root of ((0.75)^3/1-(0.75)) + (0.75 + (0.75)^2 + 1). My problem is that I am getting an answer 2.5 which is NOT one of the options provided. ...
replied2014-08-01 00:48:38
• \sqrt{x+\sqrt{x+\sqrt{x+}..}}=y \sqrt{y+\sqrt{y+\sqrt{y+}..}}=5 find âˆš(x+y) ...
replied2014-07-30 09:13:39
• Please post a brief soln to the problem 1) The no. of right triangles with integer sides and inradius r=2013 2)Let a,b,c,d be non zero digits. If n is the no. of 4 digit no.s abcd such that ab+cd is even, then last digit of n ...
replied2014-07-27 07:54:41
• If x2-x+1=0 and the two roots of the equation are Î± and Î²;then find the value of Î±2013+Î²2013. ...
replied2014-07-12 10:02:18
• \hspace{-16}\mathbb{I}$f$\bf{x_{i}\; \big(i=1,2,3,.....,48\big)}$are the Roots of the equation$\bf{\mathbb{P}(x)=18x^4+3x+2006}$\\\\ Then Find value of$\bf{\sum_{i=1}^{48}\frac{x_{i}}{1+x_{i}}=}\$ ...
replied2014-06-29 04:16:02
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replied2014-06-26 07:29:55
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replied2014-06-24 11:22:02
• if a x x x x b x x = f(x)-xf/(x). x x c x x x x d then f(x)=? ...
replied2014-06-24 11:14:56
• If a) x1 + x2 + ...................+x1007 =(2014)2 b) x1 /(x1 +1)=x2 /(x2 +3)=.....................=x1007 /(x1007 +2013) then x253 =? ...
replied2014-06-14 22:19:41
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replied2014-06-12 10:51:18
• 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 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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replied2014-06-09 23:09:36