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Differentiate sin(x)*x^2

Notice that (sin(x))'= cos(x) and (x^2)' = 2x We use the product rule to differentiate, by noticing the expression is a product. so (fx gx)' = f'x gx + fx*g'x substituting in we get (sin(x)*x^2) = cos(x)*x^2...
DG
Answered by Drenusha G. • Maths tutor
3770 Views

Find the point of intersection of the lines y=2x-7 and 4y-2=3x

Substitute y into 4y-2=3x 4(2x-7)-2=3x -> 8x-28-2=3x -> 8x-3x=28+2 -> 5x=30 -> x=30/5 -> x=6 subsitute x into y=2x-7 y=2(6)-7 -> y=12-7 -> y=5 Point = ( 6 , 5 )
IG
Answered by India G. • Maths tutor
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Explain the traditional conservative view of human nature.

The traditional conservative view of human nature is essentially pessimistic. Conservatives believe humans are imperfect. This can be broken down into three distinct aspects. Firstly, humans are psychologica...
RW
23655 Views

Differentiate y=(3+sin(2x))/(2+cos(2x))

dy/dx = (4cos(2x) + 6sin(2x) + 2)/(2+cos(2x)) 2
MB
Answered by Matthew B. • Maths tutor
9475 Views

Describe how the three branches of government in the UK are run.

In the United Kingdom, the three branches of government are the executive, the legislature and the judiciary. The executive is the central government, made up of the Prime Minister and their cabinet. The leg...
JW
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