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We know that the difference of roots is given by {√(b2 – 4ac)}/a, Here, a = 1, b = -13 and c = k Therefore, A – B = (√(b2 – 4ac))/a 5 = (√((-13)2 – 4 x 1 x k))/1 Squaring both the side we get, 25 = 169 – 4k 4k = 169 – 25 k = 144/4 = 36
A number is increased by 20% and then decreased by 20%. What is the net effect on the number?
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A triangular prism has a triangular base with a height of 6 cm and a base length of 8 cm. If the height of the prism is 10 cm, what is the volume of the...
A can complete a work in 30 days, B in 24 days, and C in 20 days. A, B, and C work together for 5 days, after which B and C leave. How many more days wi...
Which component of a computer is responsible for managing and coordinating various hardware components?
From a group of 7 men and 4 women, in how many ways can a committee of 4 be formed such that it includes at least one woman?
A rectangle has a perimeter of 60 cm, and the ratio of its length to its width is 3:2. Find the length of its diagonal.
1153, 1206, ?, 1326, 1393, 1464