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
The coefficient of xn in the expansion of (1+x+x2+......)-n is?
the number of distinct terms in the expansion of (1+px)20 +(1-px)20 is...?
The cube root 217 is? how to do it with binomial expansion?
Find the first negative term in the expansion of (1+x)27/5 where x is a positive number.
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.
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?
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?
Consider the system of linear equations x+ 2y =2 -x + (k-3)y +3z = −2 2x + (k+3)y + (k+3)z = 5 where k ∈ R is a constant. Determine the values of k for which...
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?
Raju calculated his profit percentage on the selling price and claimed it to be 100/3.Find the actual profit percentage
for all natural numbers n, {(22n)*(32n)}-1-35n is divisible by???
n-1 ∑ ncr/(ncr+ncr+1) equals? r=0
A tetrahedron has edges of 5cm each. What is the angle between any two faces? Please explain how to answer this question. Thanks :)
Graph the system of inequalities and classify the figure created by the solution region (e.g., triangle, trapezoid, or parallelogram). x ≤ -1y ≤ 3x + 2 y ≥ -3x - 10
prove that none of the integers 11,111,1111,11111,... is a square of an integer
A triangle has two sidesof 25cm and 30cm. The angle between the two sides is 30°. Find: a) the area b) the length of it's third side c) the area using heron's formula Answers: a)...