If z1 + z2 +z3 are 3 complex number in AP then they lie on circle ellipse straight line parabola

Question

noogler · Answer

2Z 2 =Z 1 +Z 3 2(x 2 +iy 2 )=(x 1 +x 3 )+i(y 1 +y 3 ) comparing real and imaginary parts x 2 =x 1 +x 3 /2 , y 2 =y 1 +y 3 /2 Z 2 is midpoint of Z 1 andZ 3 they lie on a st.line APPROVE IF USEFUL!!!!

sadhan · Answer

A line makes an angle with positive directions90, 90, 90 degrees with X, Y, Z axis, then the direction cosines are ---------

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If z1 + z2 +z3 are 3 complex number in AP then they lie on circle ellipse straight line parabola

If z1 + z2 +z3 are 3 complex number in AP then they lie on

circle

ellipse

straight line

parabola

2 Answers

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