If `z=4+isqrt(7)` , then find the value of `z^2-4z^2-9z+91.`

Similar Questions

Explore conceptually related problems

If z=4+i sqrt(7), then find the value of z^(2)-4z^(2)-9z+91

If z=4+i sqrt(7) then the value of Z^(3)-4Z^(2)-9z+91 equal

If |z-(4)/(z)|=2, then find the maximum value of |z|

If 2^(x)=4^(y)=8^(z) and ((1)/(2x)+(1)/(4y)+(1)/(6z))=(24)/(7) , then find the value of z.

If z= 2- isqrt(3) then |z^(4)| is equal to

If z=2-3i show that z^2=4z+13=0 and hence find the value of 4z^3-3z^2+169.

1.If Z=(1+i)/(sqrt(2)) find the value of Z^(6)+Z^(4)+Z^(2) .

If z = 2-3i , show that z^2- 4z+13= 0 and hence find the value of 4z^3 - 3z^2 + 169 .

If z=2-isqrt(7) , then show that 3z^(3)-4z^(2)+z+88=0

If |z-(4)/(z)|=2, then the maximum value of |z|