নলেজ পার্ক

Math • (a + b) 2 = a2 + 2ab + b2 • (a + b) 2 = (a – b) 2 + 4ab • (a – b) 2 = a2 – 2ab + b2 • (a – b) 2 = (a + b) 2 – 4ab • a2 + b2 = (a + b) 2 – 2ab • a2 + b2 = (a – b) 2 + 2ab • a2 – b2 = (a + b) – (a – b) • 2 (a2+b2) = (a + b) 2 + (a – b) 2 • (a + b + c) 2 = (a2 + b2 + c2) + 2 (ab + bc + ca) • (a2 + b2 + c2) = (a + b + c) 2 – 2(ab + bc + ca) • 2 (ab + bc + ca) = (a + b + c) 2 – (a2 + b2 + c2) • (a + b) 3 = a3 + 3a2b + 3ab2 + b3 • (a + b) 3 = a3 + b3 + 3ab (a + b) • (a – b) 3 = a3 – 3a2b + 3ab2 – b3 • (a – b) 3 = a3 – b3 – 3ab (a – b) • a3 + b3 = (a + b) (a2 – ab + b2) • a3 + b3 = (a + b) 3 – 3ab (a + b) • a3 – b3 = (a – b) (a2 + ab + b2) • a3 – b3 = (a – b) 3 + 3ab (a – b) • (a + b + c) 3 = a3 + b3 + c3 + 3 (a + b) (b + c) (c + a) • a3 + b3 + c3 – 3abc = (a + b + c) (a2 + b2 + c2 – ab – bc – ca) • a3 + b3 + c3 – 3abc = (a + b + c) { (a – b) 2 + (b – c) 2 + (c – a) 2 } • 4ab = (a + b) 2 – (a – b) 2 • ab = ( ) ( ) • (x + a) (x + b) = x2 + (a + b) x + ab • (x + a) (x – b...