Question

a+b=20,ab=64 then a,b?​

Answer 1

Step-by-step explanation:

➡Given here.

↪a+b= 20............(1).

↪ab= 64...............(2).

➡a- b = √[(a+b)²-4ab].

= √[(20)²-4*64].

= √ (400-256).

= √ 144.

= 12................(3).

equations (1) + (3).

=> 2a = 32.

=> a = 16.

by (2).

=>b = 4.