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b) The tangent to C at P meets the coordinate axes at the points Q and R. Show that the area of the triangle OQR, where O is the origin, is 9/(3-e)

If I were to get the job, I would get a writing board to help explain this. But to approach this question, it's a good idea to draw the graph. You know that the tangent line is a straight line and as the ...

SH
Answered by Sophie H. Maths tutor
5409 Views

A scalene triangle has base of 5cm. The angle opposite to the base is 63°, and a second angle is 72°. Find the area of the traingle

Using the sine rule it's possible to find the length opposite to the 72° angle. Therefore: 5/(sin63)=x/(sin72) x=5sin(72)/sin(63)=5.34 At this point, the third angle is needed. Since a triangle has a tota...

AL
Answered by Alessandro L. Maths tutor
2529 Views

The curve C has the equation y = 2e^x -6lnx and passes through the point P with x - coordinate 1. a) Find the equation to the tangent to C at P

y = (2e-6)x + 6

SH
Answered by Sophie H. Maths tutor
6555 Views

Why is potential energy negative? What does that even mean?

This is really just a definition! When we ask what the potential energy of an object is, we are really asking what energy is available to be extracted. In the case of gravity: two objects separated by an ...

BT
Answered by Ben T. Physics tutor
23035 Views

How do conjunctions like 'weil' and 'obwohl' affect the word order?

Words such as 'weil' and 'obwohl' are known as 'subordinating conjunctions' - these types of conjunctions affect the word order in German. They introduce a clause which cannot stand on its own, but is dep...

JK
Answered by John K. German tutor
54091 Views

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