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Find the angle between two lines with vector equations r1 = (2i+j+k)+t(3i-5j-k) and r2 = (7i+4j+k)+s(2i+j-9k)

Explain the dot product and the relation : a.b= ¦a¦¦b¦cos(x) where a.b is the dot product of two vectors, ¦a¦ and ¦b¦ are the magnitude of a and b respectively and x is the angle between them. Si...

MS
Answered by Muhammad S. Maths tutor
5602 Views

Derive the quadratic formula form the general quadratic equation

Write the general quadratic equation : ax2+bx+c = 0 Need to solve for 'x' using completing the square method. 1 - Divide through by 'a' in order to get into a form which we can complete the squ...

MS
Answered by Muhammad S. Maths tutor
3676 Views

A blood test called the glucose tolerance test checks how well the body processes glucose. Concentrations of glucose in the blood are measured before and after drinking a glucose drink. Suggest why patients are not allowed to eat for 8 hours before?

Your immediate logical answer is that if they eat before the test then that will confuse the blood glucose levels. This is correct, but you just need to adjust your answer so it makes sense and relate it ...

GC
Answered by George C. Biology tutor
4326 Views

Describe the formation of a wave cut platform.

[You can always draw a diagram to help explain the formation of any coastal landform as this impresses the examiner and is easier to explain in a short amount of time although it is still just as acceptab...

BK
Answered by Bryony K. Geography tutor
6372 Views

Why did the Communists win the Chinese Civil War

Thesis: The Chinese Civil War following the dissolution of Japanese occupation in China witnessed the CCP snowball into power to establish the People’s Republic of China in 1949. This was...

TD
6987 Views

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