Mathematics, 28.05.2020 01:00, melinalange48

Let r1 and r2 be the remainders when the polynomials f(x) =x3 +2ax2 - 5x - 7 and g(x) = x3+x2-12x+6a are divided by (x+1) and (x -2) respectively , if 2r1 +r2 =12, find the value of 'a'

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Let r1 and r2 be the remainders when the polynomials f(x) =x3 +2ax2 - 5x - 7 and g(x) = x3+x2-12x+6a...