Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the microscopes ...
Click to explore updated revision resources for GCSE Maths: Function notation, with step-by-step slideshows, quizzes, practice exam questions, and more! Composite functions are made when the output ...
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