The correct option is A 3.3 ∫_2.1^3.5[x]dx ∫_2.1^3[x]dx+∫_3^3.5[x]dx =∫_2.1^32 nbsp; dx+∫_3^3.53 nbsp; dx =2[3 (2.1)]+3[0.5] =2(0.9 ...

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Higher Order Derivatives

∫2.13.5[x]dx=

Question

$\int_{2.1}^{3.5} [x] d x =$

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3.4

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3.3

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Solution

The correct option is A 3.3
$\int_{2.1}^{3.5} [x] d x$
$\int_{2.1}^{3} [x] d x + \int_{3}^{3.5} [x] d x$
$= \int_{2.1}^{3} 2 d x + \int_{3}^{3.5} 3 d x$
$= 2 [3 - (2.1)] + 3 [0.5]$
$= 2 (0.9) + 1.5$
$= 1.8 + 1.5 = 3.3$

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