NDA MATHEMATICS QUIZ - 2

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Question 1:

If a+ib=(1+i1i2)200 then:

Question 2:

Argument of the number z=1+3i is:

Question 3:

If α be the cube root of unity then 1+α+α2++αn1 equals:

Question 4:

If (3a2ib)(2+i)2=10(1+i) then value of (a, b) will be:

Question 5:

If z1 and z2 be two complex numbers where z1=2+4i and z2=1i then Re(z1z2z¯2) is:

Question 6:

Multiplicative inverse of (4+3i) will be

Question 7:

If 3cosθ+isinθ+2=a+ib then a2+b24a equals:

Question 8:

Value of in+in+1+in+2+in+3 is equal to:

Question 9:

The quadratic equation whose one root is a square root 47+83; will be:

Question 10:

If |z4z|=2 then |z| cannot be less than: