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How do you find the point of intersection of two vector lines?

Each vector line can be simplified into three separate equations in terms of the lines parameter and one of 'x,y and z.' This process can be done for both lines, creating six equations in total. By settin...

Answered by Joe P. Maths tutor
12673 Views

write x^2 + 10x - 6 in the form (x+a)^2 + b

(x + 5)2 - 52 - 6(x + 5)2 - 25 - 6(x + 5)2 - 31

Answered by Thomas B. Maths tutor
6028 Views

Integrate natural Log x

Take the integral as 1 x ln(x) instead of just ln(x). Use integration by parts giving two terms, the first is now just xln(x) and the second is the integral of 1 dx. This is easy to integrate giving the f...

Answered by Lewis K. Maths tutor
2507 Views

solve; (6x - 2)/2 - (4x+7)/3 = 1-x

numerical answer x =-1/8 oe (or equivalent), but I am more interested in the method usedMy methodsimplify first fraction to 3x-1, multiply both sides by 3, collect like terms, divide through...

Answered by Ruth L. Maths tutor
2815 Views

Why is |z| = 1 a circle of radius one? (FP2)

So, basically |z| = 1 is equal to the set containing all complex numbers where their magnitude is equal to one. Also, by unraveling the definition of |z| we get that (x2+y2)1/2<...

Answered by Charalambos M. Maths tutor
2695 Views

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