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Given that x=3 is a solution to f(x)= 2x^3 - 8x^2 + 7x - 3 = 0, solve f(x)=0 completely.

As x=3 is a solution, (x - 3) is a factor of f(x) = 2x3- 8x2+ 7x - 3 = 0 ie. 2x3- 8x2+ 7x - 3 = (x - 3)(Ax2 + Bx + C) where A,B,C are constants to be...

AS
Answered by Adrian S. Maths tutor
6549 Views

Explain the role of B-lymphocytes and T-lymphocytes in the defence of the body against a virus infection

B-lymphocytes are involved in the humoral response and produce antibodies specific to the antigen. The antibodies bind to antigens and causes the virus to clump together/agglutina...

Answered by Biology tutor
5834 Views

How do I go about identifying techniques employed in a poem?

Teachers often refer to 'techniques' that poets use to convey meaning. But how is one to first identify them when presented with an unseen poem? It is useful to think about the process in three steps:1) O...

MH
Answered by Miss H B. English tutor
1531 Views

Analyse 2 causes of shifts in the demand curve and the consequence for the consumer.

The demand curve describes the quantity of goods and services that consumers are willing and able to purchase at any given price over a given period of time ceteris paribus.
An increase in a consumer...

JL
Answered by James L. Economics tutor
3040 Views

With over 12.7 million mobile phone contracts being offered in the UK, is it possible for a consumer to make a rational decision when selecting a mobile phone tariff?

It is extremely unlikely that a consumer would be able to make a rational choice when selecting a mobile phone tariff due to the cognitive limitations of the human brain. As there are such a large number ...

SC
Answered by Sam C. Economics tutor
2064 Views

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