Question

factorise = p²-a²-2pr + r²​

Answer 1

Step-by-step explanation:

Factorise - 1629041. ... p² - 4pq + 4q² - r² = { p² - 2.p.2q + ( 2q )² } - r² ... a)→ ( a - b )² = a² - 2ab + b² b) → a² - b² = ( a + b ) ( a ...