Question

If a+b=7 and ab=10,find a-b​

Answer 1

Answer:

3

Step-by-step explanation:

as a=5 and b=2

also 2+5=7 and 2×5=10

hope you like the answer

Answer 2

Step-by-step explanation:

a+b =7

ab=10

(a-b) =√(a+b)^2-4ab

a-b = √7^2 -4×10

a-b = √49 -40

a- b =√9

a-b = ±3