a^2+b^2 if a+b=9 and ab=20
Attachments:
Answers
Answered by
1
Answer:
a+b = 9 , ab= 20
(a+b)² = 9²
=> a² + b² + 2ab = 81
=> a² + b² +2×20 = 81
=>a² + b² = 81-40
=> a²+ b² = 41
Answered by
0
Answer:
hope it helps you
Attachments:
Similar questions