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using the substitution u=6-x^2 integrate (x^3)/(6-x^2)^1/2 with respect to x, between 1 and 2

First we calculate du/dx = -2x and rearrange to get dx as the subject, dx=du/(-2x). Now we change the limits of integration because we are now integrating with respect to u. So the bottom limit will be u(...

DB
Answered by Daniel B. Maths tutor
4649 Views

Solve the quadratic equation 2(x^2) + 3x + 1 = 0

There are two ways to solve this equation. In the first method, we can simplify the quadratic by observation into two linear equations multiplied together, giving us (2x + 1)(x + 1) = 0. We can then set e...

JC
Answered by Joe C. Maths tutor
4351 Views

Solve 3x^2 + 5x +2

By the quadratic formula, where a = 3, b = 5, c = 2 x = -2/3 and x = -1

HP
Answered by Hester P. Maths tutor
4070 Views

What is the passive periphrastic and how do I translate it?

The passive periphrastic is a Latin construct to express a sense of necessity in an action. It's called passive because it is expressed in a passive tense, so it's usually better to change it back to its ...

SG
Answered by Stefania G. Latin tutor
27277 Views

A circle has the equation x^2 + y^2 = 25. There is a point P on this circle with coordinates (4,3). A line is drawn tangental to the circle at point P. This line crosses the x axis at point Q. Find the co-ordinates of Q.

(7,0)

MS
Answered by Matthew S. Maths tutor
6829 Views

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