JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

Let the numbers 2, b, c be in an A.P. and $A = 111 2 b c 4 b^{2} c^{2}$ If det(A) $\in$ [2, 16], then c lies in the interval :

A
[2, 3)
B
(2 + 2^3/4, 4)
C
[3, 2 + 2^3/4]
D
[4, 6]

Solution

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