4 Find the values of k for which the following equations are consistent: 3x+5y+k=0 2x+y-5=0 (k+1)x+2y-10=0 5 Solve the equation: x+1-5 -6 -1 Χ 2 = 0 -3 2 X+1 25 Let A= |1469 256 549 B= 17 2 and C = 7 40 961 1698 Solve the following: a) B+C b) 3B +2C c) A +B d) AB e) BA

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