Which of the following is equivalent to `2i(xi-4i^(2))`?

Which of the following is equivalent to 2i^(2)+3i^(3) ?

Which of the following is equivalent to (4+7i)-(3-2i) ?

Which of the following is equivalent to (4+6i)/(10-5i) ? (Note: i^(2)=-1 )

Given that i = sqrt(-1), which of the following is equivalent to (6i^(2)-7i)+ (3+6i) ?

Which of the following is equivalent to (38+ 18i)/(4+6i) ?

The imaginary number "I" is such that i^(2)=-1 . Which of the following options is equivalent to ((1-2i)/(2+3i)) ?

The imaginary number I is defined such that i^(2)=-1 . Which of the following options is equivalent to ((1)/(i)+(1)/(i^2)+(1)/(i^3)+(1)/(i^4)) ?

If i=sqrt(-1) , which of the following is equivalent to (14)/(2-sqrt(10)i) ?

Which of the following is equivalent to the expression ((6+3i)/(2)-(7+4i)/(3))^(2) ?

The imaginary number I is such that i^(2) =-1. Which of the following options is equivalent to sqrt(5+12i) ?