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Having two real roots is equivalent to having two intersections with the x axis.

The equation is a parabola (a U shape) so, having two real roots is equivalent to having the lowest point ...

1. Set y=a^x2. Take the natural log of both sides: ln(y)=ln(a^x)3. Using the log rules, simplify: ln(y)=xln(a)4. Differentiate both sides with respect to x: 1/y dy/dx=lna+05. Rearrange: dy/dx=yln(a)6. ...

Resonance occurs when a driving frequency is similar to the natural frequency of the system. The system is forced to vibrate at its natural frequency and therefore absorbs maximum energy, which means that...

Essay writing is never easy to get right, so here are several points (in my mind indispensible) to help you sail over those grade boundaries!

1) READ THE QUESTION CAREFULLY

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The passato remoto is not a very common tense in the italian language. It is only really used when referring to something in the historical past, without much relevance to the now. This means ...