40 fully worked modulus (absolute value) questions for OCR A A-Level Mathematics (H240), every line explained and annotated to the real OCR M/A/B/SC mark scheme. Covers sketching y=|f(x)|, solving ...

25 progressive Edexcel A-Level (9MA0) modulus equations and inequalities questions with full mark-scheme style worked solutions. Hard: harder modulus inequalities, combining two modulus terms, and ...

The Joint Entrance Examination (JEE) Mains is a national level examination conducted by National Testing Agency (NTA). Candidates who are interested in pursuing Engineering or Architecture from ...

This transcript was created using speech recognition software. While it has been reviewed by human transcribers, it may contain errors. Please review the episode audio before quoting from this ...

The formulas say these two very different counts agree for every number. Before Ramanujan could prove them, he came across an ...

The JEE Main 2027 Maths syllabus has been announced by the National Testing Agency (NTA), and candidates can check the ...

Kilohertz quasi-periodic oscillations (QPOs) have been observed in a few rare gamma-ray bursts (GRBs), but their physical ...

Potassium is an electrolyte that helps regulate fluid balance, nerve signals, and muscle contractions throughout your body. About 98% of your body’s potassium is found in your cells. A potassium-rich ...

Average levels in homes without gas stoves vary from 0.5 to 5 parts per million (ppm). Levels near properly adjusted gas stoves are often 5 to 15 ppm and those near poorly adjusted stoves may be 30 ...

AI may soon be the default way to solve theoretical problems in economics, high-energy physics, and other fields, MIT researchers tell WIRED. As mathematicians reel from the way AI is automating their ...

Applied mathematics is the application of mathematical techniques to describe real-world systems and solve technologically relevant problems. This can include the mechanics of a moving body, the ...