Question

If a+b = 7 and ab = 10 , find the value of (a-b).



plz answer this​

Answer 1

Answer:

3

Step-by-step explanation:

a =5

b =2

Therefore a-b = 3

Answer 2

Answer.

a+b the whole square is 7² that is 49

Now,

a²+b²+2×20=49

a²+b²=29

For a-b

29-20=9

√9=3

The final answer is 3