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(a) i) dy/dx= 2x-2-12x^-1/2ii) d² y/dx² = 2+6x^-3/2(b) Substitute x=4 into dy/dx= 2x-2-12x^-1/2 Show that dy/dx= 0 and state 'hence there is a stationar...

We are asked to calculate (64x1000)^1/3. We can use the laws of indices to write that expression as 64^1/3x1000^1/3, which is easier to evaluate. To work out 64^1/3...

On July 15th 1099 Jerusalem, recently captured by the Fatimids of the Egyptian Sultan, Al-Musta'li, fell to the crusaders. With their victory, three years of campaign came to a victorious end; the assuran...

The cognitive interview is an interview technique used in order to aid memory and improve accuracy of eye witness statements. The interview consists of four aspects: 'recall everything', 'reverse the orde...

DNA replication is semi-conservative; new DNA molecule is composed of 1 old strand of DNA and 1 new strand .Many enzymes are involved in this process. The action of these can be combined into a 7 step pro...