If the complex numbers and the origin form an equilateral triangle, then is equal to |
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a) |
b) |
c) |
d) |
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If the complex numbers and the origin form an equilateral triangle, then is equal to |
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a) |
b) |
c) |
d) |
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(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
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? |
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(a) |
Sachin |
(b) |
Kunal |
(c) |
Ravi |
(d) |
Gaurav |
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