Question

Remainder when a^2 + b^2 + 2(ab + bc + ca) is divided by (a + b + 2c) is _______.

Answer 1

Hi student,

You can write

a²+b²+2(ab+bc+ca) as

(a+b+c)²-(c)², and this can be written as

(a+b+c-c) × (a+b+2c) or (a+b) × (a+b+2c)

Hence, the factors are (a+b) and (a+b+2c)
...........
Keep loving maths .........