if x-iy=underroot [(a-ib)/(c-id)]
prove that(x2+y2)2= a2+b2/c2+d2
Find the value of a for which one root of the quadratic equation (a2-5a+3)x2+(3a-1)x+2=0 is twice as large as the other.How can we eliminate alpha here? Please solve the problem?
Solve :- 2x2 - (3+7i) x - (3-9i) = 0
if (x+iy)(2-3i)=4+i then find (x,y)
Solve :- x2 -(7 - i) x + (18 - i) = 0 over C.
If x + iy = a + ib/a- ib, show that x2+y2=1
if cos theta =(root3 - 1)/(2 root 2) and sin theta =(root3+1)/(2 root 2), then what is the arguement
If x = 2 + 22/3+ 21/3, then find the value of x3 - 6x2 + 6x.
if Z is a complex number such that Z-1 / Z+1 is purely imaginary.prove that |Z|=1
show that the roots of equation (x-a)(x-b)=abx2 ;a,b belongs to real number
show that when they are equal?
please explain it i m too weak in quardatic
if the sum of the roots of the equation ax2 + bx + c = 0 is equal to the sum of the squares of their squares of their reciprocals , then show that bc2 , ca2 , ab2 are in A.P.
if a2 + b2 =1 , then find the value of 1+b+ia/1+b-ia
if a is not equal to b and a^2=5a -3 , b^2=5b-3, then form the equation whose roots are a/b and b/a
let alpha and beta are the roots of x2-6x-2=0,with alpha beta . if an=alphan-betan for n=(greater than or equal to one)1,then value of a10-2a8/ 2a9 is??
if a+ib= c+i / c-i , where c is real part
a square + b square =1
and b / a =2c / c square-1
Q. If p+iq = (a-i)2 / 2a-i , show that p2+q2 = (a2+1)2 / 4a2+1.
Find the square root of this complex number:
2+3i/5-4i + 2-3i/5+4i
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