Integration and the fundamental theorem of calculus | Chapter 8, Essence of calculus

Sum multiple rows/columns individually (with one formula) in Excel

Excel Pro Tricks: XLOOKUP to return Multiple Columns and Rows in Excel formula with XLOOKUP Function

Before… You Need To Learn How To 📢 1️⃣ Clear, linear plot -> Non-linear, layered storytelling: Start by writing simple, three-act stories. Progress to multiple timelines after mastering structure and pacing. 2️⃣ Creating a compelling, consistent hero -> Complex anti-hero character arcs: Start with straightforward protagonists. Once you can make readers care, experiment with morally ambiguous motivations. 3️⃣ Writing clear, direct speech -> Subtext-heavy dialogue: Practice dialogue that conveys

the ultimate integral starter (u sub, IBP, trig sub, partial fractions & more)