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0 votes
2.7k views
in Complex number and Quadratic equations by (52.7k points)

The least value of |a| for which sinθ and cosecθ are the roots of the equation x2 + ax + b = 0 is

(A)  2

(B)  1 

(C)  1/2 

(D)  0

1 Answer

+1 vote
by (46.7k points)
selected by
 
Best answer

Correct option  (A) 2

sin θ + cosec θ = −a

Hence, least value of |a| = 2.

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