If a – b = 4, ab = -6, find a2 + b2
Answers
Answered by
0
Answer:
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Answered by
0
Answer:
8
Step-by-step explanation:
a=4
b=2
a×b=8
ab= -2 ×3
= -6
a - b = 4
4 = a-b
= 4-2
= 2
= 2/2 = 1
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