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Solve by factorization
X2 +(a/a+b + a+b/a)x+1 = 0
X2 +(a/a+b + a+b/a)x+1
=> X2 +(a/a+b x a+b/ax + a/a+b .a+b/a)
=> X[x+a/a+b] +a+b/a[a+a*a+b]= 0
=> X= -a*a+b x= (-a+b/a) a+b ≠ 0
In a parallelogram ABCD AB=20cm and AD=12cm.The bisector of angle A meets DC at E and BC produced at F.Find the length of CF.
compare: 643,251: 633,512: 633,893. The answer is 633,512.
Two people on bikes are at a distance of 350 meters. Person A begin riding north at a rate of 5 m/sec and 7 minutes later on Person B begin riding south at 3 m/sec. Determine th
v=u+at s=ut+1/2at^2
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Systems of Equations Revisited We require doing a quick revisit of systems of equations. Let's establish with a general system of equations. a 11 x 1 + a 12 x 2 +......
In these problems we will begin with a substance which is dissolved in a liquid. Liquid will be entering as well as leaving a holding tank. The liquid entering the tank may or may
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