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# + 1 - is equal to B-2.a a If roots of equation 2x - 3x + 2x2 – 7x- 1 = 0 are a, B. y and then value of L (4) -11 (1) -3 (2) 3

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If A= 3 1 2].B=3 5 -2]&*|-1-1
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