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The positive value of k for which x2 +Kx +64 = 0 & x2 - 8x + k = 0 will have real roots .
Ans: x2 + Kx + 64 = 0
⇒ b2 -4ac > 0
K2 - 256 > 0
K > 16 or K < - 16 ...............(1)
x2 - 8x + K = 0
64 - 4K > 0
⇒ 4K < 64
K < 16 ...............(2) From (1) & (2) K = 16
how many sixs are in 60
(8-)
a part of a line with two end points.
3456+3694
A student is allowed to select at most n-blocks from a collection of (2n + 1) books. If the total number of ways in which he can select a book is 63, find the value of n. Solution
y'' + 2y = 2 - e-4t, y(0) = 1 use euler''s method with a step size of 0.2 to find and approximate values of y
differentiate x to the power 3
Strategy for Series Now that we have got all of our tests out of the way it's time to think regarding to the organizing all of them into a general set of strategy to help us
larry spends 3/4 hours twice a day walking and playing with his dog. He spends 1/6 hours twice a day feeding his dog. how much time does larry spend on his dog each day?
Mr. Brown plowed 6 acres in 1 hour. At this rate, how long will it take him to plow 21 acres? Mr. Brown plows 6 acres an hour, so divide the number of acres (21) through 6 to f
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