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Find the eigenvalues for the matrix (4/2/3,2/7/0,-2/1/8)

8,5,6Add '-x-' to each of the three terms on the leading diagonalCalculate the determinant of the 3x3 matrix and set equal to zero (property of eigenvalues)Factorise to find values of x, for which the determ...
TD
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Explain the route and role of calcium ions in the Sliding Filament theory of muscle contraction

ROUTE: when an action potential arrives at the neuromuscular junction , Calcium ions are released from the sarcoplasmic reticulum, into the sarcoplasm, where they bind to the troponin molecules on the tropom...
EC
Answered by Erin C. • Biology tutor
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What is the derivative of y = (3x-2)^1/2 ?

Use the chain rule, u = 3x-2dy/dx = dy/du du/dxdy/du = d(u^1/2)/du = 1/2 u ^-1/2power down and minus 1du/dx = 3constants =0so, dy/dx = 3 1/2 (3x-2)^-1/2= 3/2 (3x-2)^-1/2
CJ
Answered by Chloe J. • Maths tutor
10198 Views

Explain: 1. Why butanoic acid has a higher boiling point than butan1-ol? 2. Why carboxylic acids of short chain length are more soluble in water than those with longer carbon chain length?

1 .Butanoic acid has stronger intermolecular forces (hydrogen bonding) because it has two highly electronegative oxygen atoms in its structure, whereas butan-1-ol has only one. Therefore the acid molecules c...
SL
Answered by Samuel L. • Chemistry tutor
25303 Views

Outline and explain the psychodynamic approach in psychology

The psychodynamic approach looks at the unconscious basis of behaviour. According to Freud, the personality is split into 3 parts: the ID satisfies selfish needs; the superego satisfies moral needs and the e...
DR
Answered by Daisy R. • Psychology tutor
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