Question

If a + b = 4 and ab = -12, find (i) a - b (ii) a2 - 62.​

Answer 1

Step-by-step explanation:

By observation, a=6 and b=-2

i) a-b=6-(-2)=6+2=8

ii) a²-b²=36-4=32

Answer 2

Answer:

8 and 40

Step-by-step explanation:

a= 6 an db= -2 so that we can know the further answer