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Factorise x^2-x-12

To factorise this equation we want to get 2 brackets. We are looking for 2 numbers which multiply to make -12 and add to make -1. So, let's see some factors of -12: -12 = (-1) x 12; (-2) x 6; (-3) x 4; (-...

FA
Answered by Fizza A. Maths tutor
20216 Views

Find the derivative of x(x+3)^5

First we use the product rule, so we multiply x by the derivative of (x+3)5. To find the derivative of (x+3)5 we use the chain rule. So we have 5(x+3)4. So the first part...

JY
Answered by John Y. Maths tutor
3191 Views

How does the pacinian corpuscle produce a generator potential?

A change in pressure causes a change in conformation/shape of stretch mediated ion channelsThis causes Na+ channels to flow across the membraneThis causes depolarisation at the Membrane producing our gene...

OT
Answered by Okuk T. Biology tutor
2726 Views

Describe the process of mitosis

Mitosis is the a form of cell division in which two genetically identical daughter cells are formed. It occurs to grow new tissue e.g. such as skin Before the cell divides it goes through a growth phase w...

OA
Answered by Omolara A. Biology tutor
2293 Views

Explain the shape carbon tetrachloride

Tetrahedral because there are 4 areas of electron density around the central carbon atom that repel as far away as possible. The bond angle is 109 degrees

LB
Answered by Louis B. Chemistry tutor
2503 Views

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