Question

If a-b=4 and a+b= 6, find 1) ab 2) a2+b2 3) a2-b2​

Answer 1

Answer:

a=5, b=1

Step-by-step explanation:

given that a-b=4

a= 4+b

now a+b=6 ( eqn ii)

put a= 4+b in eqn ii

4+2b=6

2b=2

b= 1 ,a=5

now ab= 10

a^2+b^2 =26

a^2-b^2 = 24