The formula is more compact and considerably easier to evaluate than the classical formula while providing identical numerical results. The derivation of the alternative formula is shown to be much ...

A GCSE maths question has left a staggering 85 per cent of people scratching their heads as they attempted to find the ...

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IQ tests present the readers with problems in the form of picture puzzles or math problems, and the reader needs to find the solution within a time limit. These simple puzzle games make the brain ...