Before looking at the solved solution in Titas, try to write down the algorithm (step-by-step method) on a blank page. For example, for Newton-Raphson:
Solution: Use PDF enhancement tools like Adobe Acrobat’s "Enhance Scans" feature or online tools like Ilovepdf's "Scan to OCR" to clean up the image.
Sites claiming "Titas Publication Numerical Analysis PDF free download" often contain: