[" If "a=1+i" them "a^(2)" is "],[[" () "1-i," b) "2i," (1) "(1-i)," d) "i-1]]

If a=1+i, then a^(2) equals 1-i b.2i .(1+i)(1-i) d.(i-1)

If a=1+i , then a^2 equals A. 1-i B. 2i C. (1+i)(1-i) D. (i-1)

(1+2i)/(1-(1-i)^2)

Find the value of | [ 2 + i , 2 - i ] , [ 1 + i , 1 - i ] | is

The reflection of the complex number (2-i)/(3+i) , (where i=sqrt(-1) in the straight line z(1+i)= bar z (i-1) is (-1-i)/2 (b) (-1+i)/2 (i(i+1))/2 (d) (-1)/(1+i)

Find the value of ( i^2 + i^4 + i^6 + i^7 ) / ( 1 + i^2 + i^3 ) is ( a ) 1 - i ( b ) 1 + i ( c ) 2 - i ( d ) 2 + i

Let A, B and C be three points taken on the parabola y^(2)=4ax with coordinates (at_(i)^(2), 2at_(i)), i=1, 2, 3, where t_(1), t_(2)" and "t_(3) are in A.P. If AA', BB' and CC' are focal chords and coordinates of A', B' and C' are (at'_(i)^(2), 2at'_(i)),i=1, 2, 3, them t'_(1), t'_(2)and t'_(3) are in

Let A, B and C be three points taken on the parabola y^(2)=4ax with coordinates (at_(i)^(2), 2at_(i)), i=1, 2, 3, where t_(1), t_(2)" and "t_(3) are in A.P. If AA', BB' and CC' are focal chords and coordinates of A', B' and C' are (at'_(i)^(2), 2at'_(i)),i=1, 2, 3, them t'_(1), t'_(2)and t'_(3) are in

The reflection of the complex number (2-i)/(3+i) (where i=sqrt(-1) in the straight line z(1+i)=bar(z)(i-1) is (-1-i)/(2) (b) (-1+i)/(2)(i(i+1))/(2) (d) (-1)/(1+i)

Find the common ratio 1,1+i,2i,-2+2i,"…."i= sqrt(-1)