4. If a+b = 6 and ab 8, evaluate (1) a +b and (1) a-b.
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Answered by
9
Answer:
1. A+B=6
2.A-B=2
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
- a+b=6,ab=8
(a+b)×(a+b)=a×a+2ab+b×b
= (6×6) +2(8)
= 36+16
=52
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