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show y=3x-5 is tangent to x^2 + y^2 +2x -4y - 5 = 0 and the point where they touch

y=3x-5x^2 + (3x-5)^2 + 2x - 4(3x-5) - 5 = 0x^2 + 9x^2 -30x +25 + 2x -12x + 20 - 5 = 010x^2 -40x + 40 = 010 (x^2 - 4x +4) = 010(x - 2)^2 = 0x=2implies one point of contact, therefore tangenty = 3x - 5y = 6...

RM
Answered by Robert M. Maths tutor
2139 Views

Give two examples of an insecure-avoidant attachment type (2 marks)

Two of the following:Very physically and emotionally independent of their attachment figure.Do not seek contact or comfort from their attachment figure. May even consciously avoid their attachment figure....

KH
Answered by Katie H. Psychology tutor
2018 Views

To what extent would you agree that Shakespeare presents Gertrude and Ophelia as severely flawed in 'Hamlet'?

It is easy to view Hamlet’s mother Gertrude as ‘severely flawed’ due to the fact that she has married her late husband’s brother not two months after his death. This flaw manifests itself, as Rebecca Smit...

MC
5179 Views

Discuss the extent to which Psychology can be considered a science, using core studies to back up your answer.

In order for psychology to be considered a science it needs to show cause and effect, showing that one variable is directly influencing the other. This is seen in many experiments conducted in psychology,...

MC
Answered by Maija C. Psychology tutor
17692 Views

Discuss a strength and weakness of one biological treatment to treat a specific disorder

One strength of using the biological treatments of anti-depressants to treat depression is that they have been proven to work very quickly at relieving the symptoms of depression and improving patients mo...

MC
Answered by Maija C. Psychology tutor
9403 Views

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