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GCSE

Differentiate y = e^(2x)cos(3x)

Using both the Chain Rule and the Product Rule for derivatives, we find the answer to be: dy/dx = e^(2x)[2cos(3x) - 3sin(3x)]

JC
Answered by Jesse C. Maths tutor
7238 Views

Mitochondrial DNA can be used as evidence for human evolution. Explain why mitochondrial DNA is used rather than nuclear DNA

The first reason why mitochondrial DNA is better than using nuclear DNA is because it is in a higher abundance than nuclear DNA. Furthermore, mitochondrial DNA is more stable over time and less susceptibl...

RP
Answered by Riya P. Biology tutor
9212 Views

Square root of 81?

9X9 = 81

LH
Answered by Laura H. Maths tutor
3924 Views

What is the difference between HDPE and LDPE polymers?

Both are types of plastics but they vary by density and structure.HDPE (high density polyethene) is made of many linear chains which are held together by intermolecular forces.LDPE (low density polyethene...

MS
Answered by Margo S. Chemistry tutor
8871 Views

Comment avez-vous passé le week-end dèrnier?

This is an exemplar answer for GCSE standard French. Using the range of the grammatical devices employed here would guarantee an extremely high mark in an oral or written exam:

Le week-end dern...

JH
Answered by Jake H. French tutor
6354 Views

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