" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
B. (a-b)² = a² - 2ab + b²
C. (ax+b)×(cx+d) = (ax)(cx) + (ax) (d) + (b) (cx) + (b) (d)
= acx² + adx + bcx + bd
B. (a-b)² = (a-b) (a-b) = a² - ab - ab + b² = a² - 2ab + b²
C. (ax+b) × (cx+d) = acx² + adx + bcx + bd