Question

a+b/2=3 and 4a² + b² = 20 then ab is equal to​

Answer 1

Answer:

Formula (a−b)2=a2+b2−2ab

Given, a2+b2=41 and ab=4

So, (a−b)2=a2+b2−2ab=41−2×4=41−8=33

=>a−b=33

Answer 2

this the answer ☝️

I hope it is useful