If a + b = 5, ab = 3, find a2 + b2
Answers
Answered by
2
Answer:
(a+b)^2=a^2 + b^2 + 2ab. We already have values for LHS as 5 and value of ab as 3. a^2 + b^2 = 25 -6 = 19. Therefore, the answer to your question is 19.
Step-by-step explanation:
I hope it will help you
Answered by
2
Answer:
Solve by squaring on both sides
(a+b)²= a²+b²+ 2ab
25 = a²+b²+ 6
a²+b²= 19 Ans.
Similar questions