derivative of cos(2x+1)

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domain x³−2x²−3xx²−4

Solution

x<−2 or −2<x<2 or x>2

Interval Notation

(−∞ , −2)∪(−2, 2)∪(2, ∞ )

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Solution steps

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(

−4

)

̂ a =1|⃗ a | ⃗ a :Computing the unit vector of |⃗ a |

|⃗ a |: |(

−4

)|=√21

̂ a =1√21 (

−4

)

פשט: 1√21 (

−4

)=(

2√21

−4√21

1√21

)

2√21

−4√21

1√21

)

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range x³−2x²−3xx²−4

intercepts x³−2x²−3xx²−4

parity x³−2x²−3xx²−4

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

derivative of cos(2x+1)

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