If a and b are the roots of x2-px-q=0 find 1/b-1/a
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Answer:1/b -1/a == a-b /ab == -p/q
Step-by-step explanation:
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Answer:
Step-by-step explanation:a+b=p,ab=-q,a-b=under root of p2+4q
1/b-1/a=a-b/ab=under root of p2 +4q/-q
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