SSC GD कांस्टेबल रिजल्ट 2026: आरक्षित उम्मीदवार UR क्यों दिखे, जानें 15 Most Important Mathematical Equations 15 Most Important Mathematical Equations 1 Quadratic Formula x = −b ± √b2 − 4ac2a (a ≠ 0) 2 Factorization Identity a2 − b2 = ... k_jyothi October 23, 2026