" If "sum_(k=0)^(200)i^(k)+prod_(p=1)^(50)i^(p)=x+iy" then "(x,y)" is "

If I=sum_(k=2)^(10)int_(k)^(k^(2))(k-1)/(x(x-1))dx, then

If omega ne 1 is a cube root of unity, then z=sum_(k=1)^(60)omega^(k) - prod_(k=1)^(30)omega^(k) is equal to

If ((1+i)/(1-i))^(100)=x +iy then (x,y) = .......

If I=sum_(k=1)^(98)int_(k)^(k+1)(k+1)/(x(x+1))dx , then

Y = sum_ (k = 0) ^ (5) x ^ (k) a ^ (k-1)

The sum and sum of squares corresponding to length x (in cm) and weighty (k. gm) of 50 plant products are given below: sum_(i=1)^(50) x_(i) = 212 , sum_(i=1)^(50) x_(i)^(2)=902.8 , sum_(i=1)^(50) y^(i)=261 , sum_(i=1)^(50) y_(i)^(2)=1457.6 Which is more varying , the length or weight ?

If I_(1)=int_(0)^(1)prod_(r=1)^(2016)(r-x)dx and I_(2)=int_(0)^(1)prod_(r=0)^(2015)(r+x)dx, then (I_(1))/(I_(2)) is equal to 2(b)(1)/(2)(c)-1 (d) 1

If f(x)=sum_(k=0)^(n)a_(k)|x-1|^(k), where a_(i)in R, then

The value of sum_(k=0)^(n)(i^(k)+i^(k+1)) , where i^(2)= -1 , is equal to