If the area of the bounded region R = {(x,y) : max{0, logₑx} ≤ y ≤ 2ˣ, 1/2 ≤ x ≤ 2} is, α(logₑ2)⁻¹ + β(logₑ2) + γ, then the value of (α + β - 2γ)² is equal to:
If the area of the bounded region R = {(x,y) : max{0, logₑx} ≤ y ≤ 2ˣ, 1/2 ≤ x ≤ 2} is, α(logₑ2)⁻¹ + β(logₑ2) + γ, then the value of (α + β - 2γ)² is equal to:
Option 1 -
4
Option 2 -
8
Option 3 -
2
Option 4 -
1
-
1 Answer
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Correct Option - 1
Detailed Solution:Area = ∫? ² (2? - logx)dx = [2? /ln2 - (xlnx-x)]? ²
= (4/ln2 - (2ln2-2) - (2/ln2 - (0-1) = 2/ln2 - 2ln2 + 1.
α=2, β=-2, γ=1.
(α+β-2γ)² = (2-2-2)² = 4.
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