" If "A^(2)=A," then "(I+A)^(4)=

If a matrix A is such that 4A^(3)+2A^(2)+7A+I=0 , then A^(-1) equals: a) 4A^(2)+2A+7I b) -(4A^(2)+2A+7I) c) -(4A^(2)-2A+7I) d) 4A^(2)+2A-7I

If ((2+3i))/((7-i)(4-2i))=A+iB " then "A^2+B^2=

Simplify: i+ 2i^(2) + 3i^(3) + i^(4)

If (i)^(2) = -1, (i)^(2) + (i)^(4) + (i)^(6) + ...... to (2n + 1) terms =

The value of i + i^(2) + i^(3) + i^(4) is ________

If I_(n)= int cot^(n)x dx" then " I_(0)+I_(1)+2(I_(2)+I_(3))+I_(4)+I_(5)=

If a+(b+2a)i=1-4i, then find a and b.

If I_(n) = int tan^(n) " x dx then " I_(0) + 2I_(2) + I_(4) =

If ((1+i)(2+3i)(3-4i))/((2-3i)(1-i)(3+4i)) = a + ib , then a^(2) + b^(2) is equal to

If (1+2i) (2+3i)(3+4i)=x+iy,x,y in R then x^(2)+y^(2) is