if a*2+b* = 13 and ab = 6 find the value of (a+b)
Answers
Answered by
4
Answer:
±5
Step-by-step explanation:
a² + b² = 13
ab=6
(a+b)² = a² + b² + 2ab
= 13 + 12
= 25
a+b = √25
a+b = ±5
a+b = 5, -5
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Answered by
1
Answer:
the value of (a+b) = 7
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