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4
Answer:
-27/4
Step-by-step explanation:
F(X) = X²-5X+4
Here,
A = 1 , B = -5 and C = 4
Sum of zeroes = -B/A
Alpha + Beta = -(-5)/1
Alpha + Beta = 5
And,
Product of zeroes = C/A
Alpha × Beta = 4/1
Alpha × Beta = 4
Therefore,
1/ Alpha + 1/Beta - 2 × Alpha × Beta
=> Beta + Alpha - 2× Alpha × Beta × (AlphaBeta) / Alpha Beta
=> Alpha + Beta/ Alpha beta - 2 × Alpha Beta
=> 5/4 - 2 × 4
=> 5/4 - 8
=> 5-32/4
=> -27/4
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Answered by
1
Answer:
-27/4 please make me brain list and follow me and like my answer make me brain list
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