If a+b =7 and ab=6 find a+b and a-b
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Answered by
0
Answer:
a+b=7
ab=6
Hence - a=6, b=1 and a-b=5
Answered by
0
Answer:
a+b = 7
a-b = 5 or a-b= -5
Step-by-step explanation:
(a+b)^2 = a^2 +b^2 +2ab
49= { (a-b)^2 +2ab} +2ab
49 = {(a-b)^2} + 24
(a-b)^2 = 25
a-b = 5
or a-b = -5
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