Recently Active Mathematics Questions

∫ x.tan x . dx ...

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Using the following no.s make a total of 24 by using + , - , / , * and parantheses only . 8 8 3 3 ...

\hspace{-16}\bf{(1)\;\;\int \left(\frac{x^2-1}{x^2+1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(2)\;\;\int \left(\frac{x^2+1}{x^2-1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(3)\;\;\int \frac{\sqrt{x^4+1}}{x^4-1}dx}$\ ...

(3+2 6 )x2-3 + (5+2 6 )x2-3=10 plzzzzz........help to find the value of x..... plzzz.. as fast as possible.... ...

lim:t→x ( sinx-sint/x-t ) = f (sinx) Find range of f(x) (A) (-∞,1] (B) [-1,0] (C) [0,1] (D) [-1,∞) ...

∫ ln(x-1)/x ? ...

this thread is only for integration sums............ AND YA FORGOT TO TELL ALL TARGETIT USERS, I HAVE COPIED ALL THESE SUMS. SO KISIKO GAALI DENA HAIN YA KUCH KEHNA HAIN, PLEASE VISIT http://targetiit.com/profile711.html AND ...

If S = 1 - 22 + 32 - 42 upto n terms and n is even, then find S. ...

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Find remainder when 2013C101 is divided by 101 ...

if x+1/x=12 then x-1/x=? ...

prove that product of evert three consecutive integers is always divisible by 3 as well as 2.... plzz help.. ...

A balloon in the form of a right circular cone is surmounted by a hemisphere, having a diameter equal to the height of the cone., is being inflated. how fast is its volume changing with respect to its total height h, when h=9 ...

1.if tanx + tan(x+π/3) +tan(x+2π/3)=3 prove , 3tanx - tan3x/1 - 3tan2x =1 2.if α,β are two different values of θ when α≠β,where 0< α,β <2π which satisfy the equation 6cosθ + 8sinθ =9 find the value of sin( ...

If a merchant estimates his profits as 20 % of the selling price, what is his profit percent? Show the process. ...

tan 8θ - tan 6θ - tan 2θ =tan8θtan6θtan2θ ...

Find the locus of the centroid of an equilateral triangle inscribed in the ellipse x2/a2 + y2/b2 =1 (Ans is (a2+3b2)x2/a2 + (3a2+b2)y2/b2 =(a2-b2)2...please give the entire working) ...

What is the remainder when 7187 is divided by 800? ...

If x(1/m)=y(1/n)=z(1/p) and xyz=1 , find m + n + p ...

Two cogged wheels of which one has 32 cogs and other 54 cogs, work into each other. If the latter turns 80 times in three quarters of a minute, how often does the other turn in 8 seconds? ...

What is the condition that the equation ax2+bx+c has a root in [0, 1]? In class, we integrated the given expression and arrived at the condition a/3 + b/2 +c=0. However, if we take the equation (x-2)(x-0.5)=0 ie x2- 5/2 x+1=0 ...

\hspace{-16}$(i) $\bf{\int\frac{1}{1+\sin^4 x}dx}$\\\\\\ (ii) $\bf{\int\frac{1}{1+\cos^4 x}dx}$ ...

Please use the shortest method possible and show the working ∫ 2 sin x + 3cosx/3sin x+4 cos x ...

Let f:R-->R be a continuous function such that f(x)-2f( x/2 )+f( x/4 ) = x2. f(3) is equal to (A) f(0) (B) 4+f(0) (C) 9+f(0) (D) 16+f(0). The equation f(x)-x-f(0) = 0 has exactly (A) No solution (B) One solution (C) Two so ...

If α and β be the roots of equation ax2+bx+c=0,a≠0 and (α+β)(α2+β2)(α3+β3)are in GP,Δ be the discriminant,then a) Δ≠0 b) bΔ≠0 c) cΔ=0 d) bc≠0 ...

In a forest, ratio of no. of deers, bear and fox is 3 : 7 : 5. If the difference between no. of deers and bears is a multiple of 3 as well as 7, what is min. no. of animals in the park? ...

\hspace{-16}$Total Real solution of the equations in Diff. cases\\\\\\ (i) $\bf{2^x = 1+x^2}$\\\\\\ (ii) $\bf{e^x = x^2}$ ...

If xx x = (x x )x then find x. ...