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Prove by induction the sum of the natural numbers from 1 to n is n(n+1)/2

Need whiteboard throughout to properly answer, so will go through the ideas of what to do:

Take the base case of when n=1, and show that            (sum from 1 to 1) j = n(n+1)/2       is equal to ...

OO
2630 Views

Explain how a nervous impulse is transmitted across a synapse?

A synapse is the fluid filled gap between the presynaptic neuron and postsynaptic neuron. 1) An electrical impulse travels along an axon of the presynaptic neuron. 2) When the impulse reaches the nerve-en...

AK
Answered by Alishba K. Biology tutor
41291 Views

What is the difference between hardwood and softwood?

Softwood is coniferous (like pine) meaning that the tree grows quickly and has large growth rings. This makes for a softer structured material that is easy to cut.
Hardwood refers to to non-conifero...

LD
3219 Views

What is a dovetail joint?

The strongest joint for joinery purposes with the most surface area for gluing. It is done by cutting out small, equal blocks from the edge of a timber sheet. It is joined by applying glue between the mal...

LD
2429 Views

What is bleeding at printing stage?

Bleeding determines the thickness of the frame that is left blank on each sheet of paper when printing. This provides sufficient surface area for ink application.

LD
2447 Views

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