In Problems 6 and 7, evaluate the definite integrals correct to 4 significant figures. x2 – 3x +6 dr Jz x(x- 2)(x – 1) 6.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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In Problems 6 and 7, evaluate the definite integrals
correct to 4 significant figures.
x2 - 3x +6
6.
J3 x(x-2)(x- 1)
x²-x-14
7.
x2 - 2x-3
It
8.
Determine the value of k, given that:
(x -k)
dr=0
J. (3x +1)(x +1)
9. The velocity constant k of a given chemical
reaction is given by:
H
1
kt =
dr
(3—0.4х)(2—0.6х),
where x 0 when t=0. Show that:
2(3 —0.4х)
kt = In
|3(2-0.6х)
10. The velocity, o, of an object in a medium at
80
do
time t seconds is given by: t =
20 v(2v – 1)
Evaluate 1, in milliseconds, correct to 2 deci-
mal places.
Transcribed Image Text:In Problems 6 and 7, evaluate the definite integrals correct to 4 significant figures. x2 - 3x +6 6. J3 x(x-2)(x- 1) x²-x-14 7. x2 - 2x-3 It 8. Determine the value of k, given that: (x -k) dr=0 J. (3x +1)(x +1) 9. The velocity constant k of a given chemical reaction is given by: H 1 kt = dr (3—0.4х)(2—0.6х), where x 0 when t=0. Show that: 2(3 —0.4х) kt = In |3(2-0.6х) 10. The velocity, o, of an object in a medium at 80 do time t seconds is given by: t = 20 v(2v – 1) Evaluate 1, in milliseconds, correct to 2 deci- mal places.
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