Perfect square trinomials and difference of two squares are just to binomials being multiplied, and they are special because there is a specific formula for them. Perfect square trinomial:(a+b)^2, a^2+2ab+b^2. Difference of squares: (a+b)(a-b), a^2-b^2
<h3>let a number = a</h3><h3>it's cube will be a×a×a = a³</h3><h3>now atq 2a </h3><h3>it's cube will be </h3><h3>2a ×2a ×2a => 8a³ or (2a)³</h3><h2>Hope it helps you </h2>