[" (v) "(3x-2iy)(2+i)^(2)=10(1+1)],[" 13.यदि "x=1+2i" ,तो मिक काजि कि "z^(2)-28+5=0" shy "],[" इसकी महायता से "s^(3)+7z^(2)-z+16" की पाम औत काisग) "]

If z=1+2i , show that z^(2)-2z+5=0 . Hence find the value of z^(3) +7z^(2)-z+16 .

If z=1+2i , show that z^(2)-2z+5=0 . Hence find the value of z^(3) +7z^(2)-z+16 .

If [(x-y,2x-y),(2x+z,3z+w)]=[(-1,0),(5,13)]

If z_(1)=3 -2i ,z_(2) = 2-i and z_(3) = 2+ 5i then find z_(1) + z_(2) - 2z_(3)

If z_(1)=3 -2i ,z_(2) = 2-i and z_(3) = 2+ 5i then find z_(1) + z_(2) - 2z_(3)

Find the S.D. between the lines : (i) (x)/(2) = (y)/(-3) = (z)/(1) and (x -2)/(3) = (y - 1)/(-5) = (z + 4)/(2) (ii) (x -1)/(2) = (y - 2)/(3) = (z - 3)/(2) and (x + 1)/(3) = (y - 1)/(2) = (z - 1)/(5) (iii) (x + 1)/(7) = (y + 1)/(-6) = (z + 1)/(1) and (x -3)/(1) = (y -5)/(-2) = (z - 7)/(1) (iv) (x - 3)/(3) = (y - 8)/(-1) = (z-3)/(1) and (x + 3)/(-3) = (y +7)/(2) = (z -6)/(4) .

If z_(1) = 2+ 3i and z_(2) = 5-3i " then " z_(1)z_(2) is

If z_(1) = 2+ 3i and z_(2) = 5-3i " then " z_(1)z_(2) is

if z_(1) = 3i and z_(2) =1 + 2i , then find z_(1)z_(2) -z_(1)

if z_(1) = 3i and z_(2) =1 + 2i , then find z_(1)z_(2) -z_(1)