Question
One of the roots of equation bp2 — (9b+3)p
+ 64 = 0 is 8, Determine the others root.Solution
ATQ, So, [9b + 3]/b = 8 + z [ z is another root] And, 8z = 64/b Or, z = 8/b So, [9b + 3]/b = 8+8/b Or, 9b + 3 = 8b + 8 Or, b = 5 So, z = 8/5
More Quadratic equation Questions
Express 7/16 as a decimal correct to three decimal places.
2.666 …+ 2.77… in fraction form is:
Calculate: 0.75 × 0.4 + 2.5 ÷ 0.5 − 0.36
Evaluate: 3.75 × 0.4 + 7.2 ÷ 0.6
Evaluate: 2.4 × 1.25 + 6.5 ÷ 0.5
Calculate: 7.2 ÷ 0.3 + 1.25 × 0.4 − 0.18
Evaluate: 3.25 + 4.08 − 1.6 × 1.5
Simplify:
0.36 ÷ 0.06 − 1.25 × (4/5) + 7/8
A man distributed some candies to his three sons A, B and C. A, being the eldest got two times the number of candies that C got while A and B together...
Relevant for Exams:
