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Prove by induction that 2^(6n)+3^(2n-2) is divsible by 5. (AS Further pure)

For this question I would heavily emphasise layout as these questions are very strict. Base n=1 simply plug n=1 into the equation and you will find you end up with 65 which is di...

5200 Views

How does speciation occur?

A barrier separates the original population into two groups. Due to the different environmental conditions (selection pressures) either side of the barrier, different alleles are selected that better adap...

HB
Answered by Hasna B. Biology tutor
3402 Views

How do you conjugate verbs in the preterite tense for AR verbs in spanish?

To form the preterite tense of AR verbs such as cocinar you have to take off the -AR- so you are left with the stem - COCIN- and add the specific endings:yo (me) - é, tu (you) - aste, el/ella (he/she) - ó...

CF
Answered by Cicely F. Spanish tutor
2086 Views

Can you teach me how to rationalise the denominator of an algebraic expression?

You may be asked to rationalise the denominator of an algebraic expression if it contains a surd in the denominator - such as a1/2. They can get slightly more complex than this though! What it ...

Answered by Maths tutor
3088 Views

Solve the differential equations dx/dt=2x+y+1 and dy/dt=4x-y+1 given that when t=0 x=20 and y=60. (A2 Further pure)

These questions are really mean but if given in the exam give ALOT of marks and whilst scary at first follow a very general pattern. First I would take either equation and re-arrange for the lone variable...

3406 Views

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