Question

square form of a number 7m, 7m plus1 ,7mplus2 ,7mplus7

Answer 1

square form of :

a) 7m = 7m² = 49m²

b) (7m + 1)² = 7m² + 1² + 2 x 7m x 1 (using identity a²+b² = a² + b² + 2ab)

= 49m² + 1 + 14m = 63m³ + 1

c) and d) same as b