## Standard Loci in the Argand Plane MCQ Advance level

Compared to other sections, mathematics is considered to be the most scoring section. If prepared thoroughly, mathematics can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1.

The region of Argand plane defined by |-1|+|z+1|< or =4 is
•  Interior of an ellipse
•  Exterior of a circle
•  Interior and boundary of an ellipse
•  None of these

Interior and boundary of an ellipse

Q2. The equation |z+i|-|z-i|=k represent a hyperbola if

•  -2
•  k>2
•  0
•  None of these

-2

Q3. The equation , k > 0, can represent an ellipse if k is

•  1
•  2
•  Equal
•  None of these

Equal

Q4. The locus of the centre of a circle which touches the circle |z-z1|=a and |z-z2|= b externally (z, z1 and z2 are complex numbers) will be

•  An ellipse
•  A hyperbola
•  A circle
•  None of these

A hyperbola

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