where a0, a1, a2, . . ., an are constants and an ≠ 0.
(x + y)2 = x2 + 2xy + y2 (x - y)2 = x2 - 2xy + y2 x2 – y2 = (x + y) (x – y) (x + a) (x + b) = x2 + (a + b) x + ab (x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2zx (x + y)3 = x3 + 3x2y + 3xy2 + y3 = x3 + y3 + 3xy (x + y) (x – y)3 = x3 – 3x2y + 3xy2 – y3 = x3 – y3 – 3xy (x – y) x3 + y3 = (x + y) (x2 – xy + y2) x3 – y3 = (x – y) (x2 + xy + y2) x3 + y3 + z3 – 3xyz = (x + y + z) (x2 + y2 + z2 – xy – yz – zx)
Do you have any Query On Level-2 Content.
Leave your details here, our customer care executive will call you in a short while.
Your Query Has Been Submitted Successfully .Our representative will call you shortly and help you prepare for SOF Olympiad.