Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- z=x+iy and w=(1-iz)/(1+iz) and |w|=1 ,prove that z is purely real
Text Solution
|
- If the equation z^4+a1z^3+a2z^2+a3z+a4=0 where a1,a2,a3,a4 are real co...
Text Solution
|
- If f(x)=x^3-3x^2+2x+a is divisible by x-1, then find the remainder whe...
Text Solution
|
- If z1a n dz2 are two complex numbers and c >0 , then prove that |z1+z2...
Text Solution
|
- Suppose A is a complex number and n in N , such that A^n=(A+1)^n=1, t...
Text Solution
|
- Find the value of p for which x+1 is a factor of x^4+(p-3)x^3-(3p-5)x^...
Text Solution
|
- If z1, z2, z3 be the affixes of the vertices A, B and C of a triangle...
Text Solution
|
- The number of complex numbers z such that |z|=1 and |z/ barz + barz/z...
Text Solution
|
- Given that x^2-3x+1=0, then the value of the expression y=x^9+x^7+x^(-...
Text Solution
|
- If i z^4+1=0, then prove that z can take the value cospi//8+isinpi//...
Text Solution
|
- Find the value of x such that ((x+alpha)^n-(x+beta)^n)/(alpha-beta)=(s...
Text Solution
|
- Suppose a ,b ,c in I such that the greatest common divisor for x^2+a ...
Text Solution
|
- Find the value of following expression: [(1-cospi/(10)+isinpi/(10))/(1...
Text Solution
|
- Dividing f(z) by z- i, we obtain the remainder i and dividing it by z...
Text Solution
|
- If the roots of the cubic equation, x^3+a x^2+b x+c=0 are three consec...
Text Solution
|
- If z1, z2 in C ,z1^2+z2^2 in R ,z1(z1^2-3z2^2)=2 and z2(3z1^2-z2^2)...
Text Solution
|
- If cosalpha+cosbeta+cosgamma=0 a n d a l so sinalpha+sinbeta+singamm...
Text Solution
|
- If x+y+z=12 andx^2+y^2+z^2=96 and 1/x+1/y+1/z=36 , then find the valu...
Text Solution
|
- Prove that (1+i)^n+(1-i)^n=2^((n+2)/2).cos((npi)/4), where n is a pos...
Text Solution
|
- The set {R e((2i z)/(1-z^2)): z is a complex number , |z|=1,z=+-1} is...
Text Solution
|