द्विघात समीकरण 2x² - 3x - 12 = 0 विविक्तकार कितना है? - - DwiGhat Samikaran 2x& # 178 ; - 3x - 12 = 0 विविक्तकार Kitna Hai ? Maths in hindi, quadratic equations - 87 question answers in hindi pdf 105 questions in hindi, Know About 87 Maths online test Maths notes in hindi quiz book - 33