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Integrate y=2x^2 +4x-1

To integrate this simple equation add one to the power then divide by the new power for example. 2x^2 becomes 2/3x^3 4x becomes 2x^2 and 1 becomes x plus constant c so the overall integrated equation is 2...

GB
Answered by George B. Maths tutor
3356 Views

I always get verbe être, avoir and aller mixed up. How do I differentiate between them?

être avoir allerJe suis (j')ai vais Tu es as vasIl/elle/on est a vas

SO
Answered by Sarah O. French tutor
1485 Views

Describe two's complement.

Two's complement is improvement on one's complement.
To get a negative number in One's complement, one has to invert all numbers (turn 1 to 0, and 0 to 1), for two's complement is the same but add 1...

LP
Answered by Lukas P. Computing tutor
1802 Views

Solve t^2-t=3(7+t)

Expand RHS: t2 - t = 21+ 3tCollect all terms on one side: t2 - 4t - 21 = 0Factorise and solve by inspection / use the quadratic formula to solve for t: (t + 3)(t - 7) = 0 / t = [ -(-...

CW
Answered by Charlie W. Maths tutor
2979 Views

Find the exact value of dy/dx at (-2,4) of the curve C: 4x^2 -y^2 + 6xy + 2^y = 0

First notice that this is an equation that will require implicit differentiation since C cannot be explicitly written in terms of either x or y. Thus we must differentiate each term with respect to x:-the...

SD
Answered by Saskia D. Maths tutor
4111 Views

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