👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the ...

👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of ...

Gerd Faltings proved a conjecture that had been unsolved for six decades, using connections between numbers and geometry.

But a pandemic breakup became a turning point for Arianna Davis and Jay Santana. He came to appreciate their own love story.