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To answer this question, we have to think about our power rules and use them to slowly simplify this complicated expression:81 -1/4 = ((81) 1/2 ) -1/2 (Because ((x) y ) z = x yz - one of our 3 power rules)We...

(This is a common question in C4, the "hardest" module of the old A level)When differentiating we consider each term one at a time:Differentiating 3x 2 simply gives us 6x Differentiating 8xy is har...

The dominant 7th is commonly used in classical and jazz repertoire to lead back to the tonic, often as part of a perfect cadence. Referring to the dominant 7th chord itself, the 3rd rises by a semitone and t...

It's important to remember that we generally use close reading to facilitate wider discussion about texts, not as an 'end in itself', so it is important to have a combination of both in your essays. The exci...

Actions of Adrenaline Heart Cardiac Output = Heart rate X Stroke VolumeIncreases Total peripheral resistance = Increases Blood pressureOverall effect Lungs Dilation of bronchiolesIncrease in tidal volumeIncr...