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The quickest way would be to find determinants of the matrix; this way we can verify whether the matrix has unique (then we can directly calculate it) solution, infinite number of solutions or no solution...

(a) some aid results in debt (ths occurs with tied aid); (b)aid targets specific groups withina population who are not always the poorest; (c) can be subject to corruption and so may not be spent on the p...

Vivimos en una época de tecnología. Gracias a la tecnología podemos contactar a cualquier persona simplemente por haciendo algunos clics por una pantalla. ¿Puedes pensar en un tiempo en el que no usas tu ...

f'(x) = 3λx^2f''(x) = 6λxFor the inflection point (x₀,y₀), it is true that f''(x₀)=0 so 6λx_o=0 => x₀= 0 (since λ cannot be zero)Therefore, the inf...

In essence, a dative covalent bond is just a covalent bond with an unpaired electron, therefore, shared between two atoms in a delocalised manner. An example of this is Carbon monoxide, which is formed in...