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If the complex numbers  and the origin form an equilateral triangle, then  is equal to

a)

b)

c)

d)

|


Question ID - 102849 :-

If the complex numbers  and the origin form an equilateral triangle, then  is equal to

a)

b)

c)

d)

|

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

Let  be the sides of an equilateral  and let  represent the complex numbers  respectively

From the equilateral ,

and 

Also, , since triangle is equilateral. Thus, the complex numbers and   have same modulus and same argument, which implies that the numbers are equal, that is

From the equilateral



Next Question :

Read the following information carefully and answer the question given below.

Ravi and Kunal are good in hockey and volleyball.  Sachin and Ravi are good in Hockey and baseball.  Gaurav and Kunal are good in cricket and volleyball.  Sachin, Gaurav and Michael are good in football and baseball.

Who is good in Baseball, Volleyball and Hockey?

(a)

Sachin

(b)

Kunal

(c)

Ravi

(d)

Gaurav


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