Recently Active Mathematics Questions

Find the equation of the line passing through the point (2,3) and making an intercept of length 3 units between the lines y+2x=2 and y+2x=5. Plz show with steps... ...

sin(cos(a))=a and cos(sin(b))=b Then: a) b>a b) b<a c) b=a d) none no idea how to do..pl help ans-- a thnx ...

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x4 = 16 then clearly two values of x are +2 and -2 but what bout other two?? ...

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pl tell hw 2 do Q .Let n be a positive integer and f(n) = 1! + 2! + 3! +........n! and R(x) and Q(x) be polynomials in x such that f(n+2)= R(n)f(n+1) + Q(n)f(n) for all n≥1 Now let P(x) = - Q(x)/R(x) (for all x ≥ 1) denot ...

Solve this equation by completing squares x2 - (√3 + 1 )x + √3=0 ...

let me see who answers this first : The slantheight of a frusum is 10cm and r1=3cm and r2=8cm.find the height and slant height of the cone from which the frusum is cut ??? ...

was number theory ever a part of jee syllabus??if yes,then till which year? ...

y = (-1)^{[x]} , where [.] is GIF. Don't take help of softwares n all that ...

tan-1y=4tan-1x.prove that tan 22.5° is a solution of x4+1=6x2 ...

*Image* IF a thread is let loosely hanged under the infuence of →g where distance between the ends to which it is hoked is d and length of string is L then find the height????????????????????????? ( actually i want you to f ...

I've a doubt and want it to be clearied... Let us suppose... (a - 3)2 + (b - 4)2 + (c - 8)2 + (d - 14)2 + (e - 19)2 = 0 then we've to find a + b + c + d + e...?? Now, clearly, a = 3, b = 4, c = 8, d = 14 and e = 19 and thus, ...

Let n be a positive Integer. 0<\theta _{i}<90 , such that cos^{2}\theta _{1}+cos^{2}\theta _{2}+cos^{2}\theta _{3}+.....+cos^{2}\theta _{n} = 1 PROVE THAT: tan \theta _{1}+tan \theta _{2}+tan \theta _{3}+...+tan \theta ...

Closed forms of the sum of powers for fixed values of m S_m(n) = \sum_{k=1}^n k^m = 1^m + 2^m + \cdots + n^m \, are always polynomials in n of degree m + 1. Note that Sm(0) = 0 for all m ≥ 0 because in this case the sum is ...

Given a function, f differentiable on (0,∞) & the limit as x→∞ of (f(x)+f'(x))=0. Find the limit of f(x) as x→∞. ...

is there a formula for finding out the no. of squares in a square??????? for example a chessboard.................... ...

where can i get OFFICIAL answer to previous AIEEE papers? ...

no. of ways to place x things in y boxes. what does word place mean here either (i)to distribute OR (ii)to arrange i have seen most book authors have given answer with reasoning (i) to be correct...i.e. finding no of division ...

I Cannot Prove the following: Please help me to Prove It *Image* *Image* How to Prove These Results ?? Thanks I Advance (If you solve it !!) ...

Can ex be differentiated at the point 0. ...

find the h.c.f(or clasically g.c.d [3]) of 2nC1,2nC3,2nC5,.......,2nC2n-1 where n=2m * q, where q is an odd integer. ...

This is for class IX X only a(a+b+c) = 10 b(a+b+c) = 12 c(a+b+c) = 14 Find a, b, c ...

if the expression 16x4 - 24x3 +41x2 – nx +16 is a perfect square then the value of ‘n’ is. ...

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in expansion of (3-x/4+35x/4)n the sum of the binomial coefficients is 64.find n. ...

a perfect cubic die is thrown large number of times in sets of 8.occurence of or 6 is calle d a success.in what proportion of the sets would you expect three successes? ...

*Image* find f(x) ...

suppose one tangent is drawn to an ellipse prove that the product of its perpendicular distance from two focus is equal b2 i am unable to reach a geometric solution Pls Help ...

Evaluate: \sum_{r=0}^{n}{^{n}C_{r}\left(r-nx \right)^{2}x^{r}\left(1-x \right)^{n-r}} ...