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The quadratic equation 2x^2-8x+1 = 0 has roots a and b. Find the value of a + b and ab

There is no need to solve the quadratic equation here. Use the formulae for the sum and product of roots where:

a+b = -b/a

and

ab = c/a

Therefore...

AK
Answered by Alok K. • Maths tutor
8727 Views

What are the four main processes that occur in spermatogenesis within the testes?

1.Mitosis: division of germline epithelium (into spermatogonia)
2. Cell growth
3. Meiosis (2 divisons): results in four haploid daughter cells
4. Cell differentiation: forming sperm cells

TD
2935 Views

What is the free will problem?

The free will problem is a metaphysical problem in Philosophy that arises when two deeply-held views come into conflict: the view that every event can be explained in terms of antecedent events and con...

LC
Answered by Lucas C. • Philosophy tutor
7245 Views

How do you explain the process of translation?

Enzymes which are specific to different tRNA types catalyse the bonding of amino acids to tRNA molecules, which requires ATP for energy.

There are 4 stages to translation: initiat...

LW
Answered by Lucy W. • Biology tutor
8295 Views

How do you prepare for an oral examination?

This might sound obvious, but the best way to preapre yourself is by practicing alone. You will have a set number of texts, one of which you will be examined on, so make sure you know a brief analysis ...

CM
2720 Views

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