IF α=(5/2!*3)+ 5*7/3!*32+5*7*9/4!*33.....THE FIND VALUE OF α2+4α
IF α=(5/2!*3)+ 5*7/3!*32+5*7*9/4!*33.....THE FIND VALUE OF α2+4α
Find the first negative term in the expansion of (1+x)27/5 where x is a positive number.
for all natural numbers n, {(22n)*(32n)}-1-35n is divisible by???
AMar bought an article and sold it at 37.5% profit.If he had bought it at 40 rupees more and sold it at 40 rupees less , he would have made 125/3 % loss.Find his cost price?
n ∑ (k2+k+1)k! = (2007)(2007)! , then find the value of n. k=0
the term independent of x in (1+x+2x3){(3x2/2)-(1/3x)}9
the number of distinct terms in the expansion of (1+px)20 +(1-px)20 is...?
The coefficient of xn in the expansion of (1+x+x2+......)-n is?
The cube root 217 is? how to do it with binomial expansion?
IF 1,ω+ω²+.....+ωn-1 are the nth root of unity, then the value of (1/x-1)+(1/x-ω) +......+1/x-ωn-1 =________?
Find the area of the region described by y≥ 2|x-3|+4 and x-2y ≥ -20.
the vertices of a square are z1,z2,z3,z4 taken in anticlockwise order then z3 equals 1. iz1+(1+i)z2 2.iz1+(1-i)z2 3.z1+(1+i)z2 4.(i+1)z1+z2 ...
Let z1,z2,z3 be 3 vertices of equilateral triangle circumscribing the circle mod z =1/2. If z1=1/2+(√3i/2) and z1,z2,z3 are in anti clockwise sense then z2 is?
If mod z =2, then the points representing the complex numbers -1+5z will lie on a?? 1. circle 2. straight line 3. parabola 4. ellipse
If one vertex of an equilateral triangle is 1+i and centroid is it's origin then other two vertices of triangle are?
(3+x10+x11)2009 = a0 + a1x + a2x2 +..... then a0 - a1/2 - a2/2 + a3 -a4/2 - a5/2 + a6 ......... will be eqaul to?
if Z= λ+3+!√(5-λ2) the n locus os Z is a?
Find coefficient of x in expansion of [(√1+x2)-x]-1 in ascending power of x when mod x is less than 1?
The coefficient of xr in the expansion of (1-2x)-1/2 is ?
A well-traveled highway has its traffic lights green for 82% of the time. If a person traveling the road goes through 8 traffic intersections, find a) the probability that the first red light...