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MAT1512 Assignment 2 2022 Solutions
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MAT1512 Assignment 1 of 2022 solutions. 100% trusted solutions with some workings.
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MAT1512
Assignment 02
2022
Due date
26 May 2022
+27682021794 www.myassignments.co.za [AUTHOR NAME]
, QUESTION 1
(a)
d
dx
( 3x 2 − 4 x + 1)
=
d
dx
( 3 x 2 ) − ( 4 x ) + (1)
d
dx
d
dx
=
d
dx
( 3x 2 ) = 6 x
d
= ( 4 x ) = 4
dx
d
= (1) = 0
dx
= 6x-4+0
= 6x − 4
(b)
d 2x +1
dx x + 3
'
f f ' .g − g ' . f
Apply the Quotient rule =
g g2
d d
( 2 x + 1)( x + 3) − ( x + 3)( 2 x + 1)
= dx dx
( x + 3)
2
d
= ( 2 x + 1) = 2
dx
d
= ( x + 3) = 1
dx
2 ( x + 3) − 1 ( 2 x + 1)
=
( x + 3)
2
5
=
( x + 3)
2
2
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