Question

9.
If a - b = 3 and a² - 62 = 33, find the value of
a + 6.​

Answer 1

Step-by-step explanation:

ANSWER

(a+b+c)

2

=a

2

+b

2

+c

2

+2(ab+bc+ca)

or 36=26+2(ab+bc+ca)

∴ab+bc+ca=

2

10

=5