When 2x² - ax + 7 and ax² + 7x + 12 are divided by (x - 3) and (x + 1) respectively, the remainder is the same. what is the value of a?
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Putting the value of 3 in the first equation and -1 in the second equation because (x-3) and (x+1) are two factors. =>18-3a+7=a-7+12
=>25-3a=a+5
=>4a=20
=>a=5(Ans)
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