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There is no fixed method or style to writing a history essay. There are, however, certain elements which must be included to both engage a reader and satisfy the stipulations of an exam board - it is impo...

First, let's define what the ionisation energy is. The ionisation energy is the minimum amount of energy required to remove an electron from the ground state of an atom. That means, if we give an...

To start off, It's worth noting the definition of eigenvalues: for a Matrix A (n x n), it's ith eigenvalue (λ_i) is defined as the scalar constant the ith eigenvector (v_i) is multipli...

Presenting yourself confidently at interview is important, you must also remain true to yourself, providing honest answers that convey your dedication and passion for the subject. Confidence can be achiev...

We know that dy/dx = (dy/dt) * (dt/dx). Differentiating each of the equations with respect to t gives. dy/dt = sec(t) tan(t) and dx/dt = sec²(t). Since dt/dx = 1 / (dx/dt) we have that dt...