Question

formula of a+b in mathematics​

Answer 1

Answer:

a – b)2 = a2 – 2ab + b. (a + b) (a – b) = a2 – b. (x + a) (x + b) = x2 + (a + b) x + ab. (x + a) (x – b) = x2 + (a – b) x – ab.

Answer 2

Step-by-step explanation:

$(a + b) ^{2} \\ a ^{2} + b ^{2} + 2ab$