AIEEE
Exam
The number of real roots of equation 3^x
+ 3^–x = 1
is -
(A) 2 (B) 0
(C) 1 (D) None of these
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AIEEE Other Question
If the angle A and B of the ∆ABC satisfy the
equation 4 sin2
θ – 2 6 sinθ + 1 = 0 then,find angle c
In an infinite G.P., each term is 5 times the sum
of all the successive terms then common ratio of
this G.P. is -
(A) r = 2 (B) r = 1/2
(C) r = 1/6 (D) r = 6