Find the value:
a² + b² when a + b = 9, ab = 20
Answers
Answered by
2
Answer:
This might help u
Step-by-step explanation:
a^2+b^2+2ab
9^2+2×20
81+40
121
Answered by
4
Step-by-step explanation:
it's given that ,
a+b = 9
ab=20
a^2+b^2=(a+b)^2-2ab
=9^2 -2*20
=81-40
=41
I hope this helps you
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