(465 + 415)² - 4 × 465 × 415 = ? - - (465 + 415) 2 - 4 × 465 × 415 = ? Maths in hindi, number system 3160 question answers in hindi pdf 3500 questions in hindi, Know About 2500 Maths online test Maths notes in hindi quiz book 3600
465 415 ^2-4×465×415
465 415 ^2-4×465×415