x-2y-x²+4y² Factorise.
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Answer:
Since, the amount of charge will remain the same in series combination of capacitors, therefore, the charge through 4μF capacitor is 24μC.
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Answer: x - 2y - x² + 4y²
= (x - 2y) - (x² - 4y²)
= (x - 2y) - (x + 2y) (x - 2y)
= (x - 2y) (1 - x - 2y)
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