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Describe Square Roots?
When a number is written inside a radical sign (√), the number is called the radicand, and we say that you are "taking the square root of" that number.
radical sign →√9 = radicandThe expression √9 is read as "the square root of nine." √4is read as "the square root of four." √-4 is read as "the square root of negative four."The square root of a number is a number which, when squared (that is, multiplied by itself), equals the original number.Example 1:42 = 16, so 4 is the square root of 16.Example 2:52 = 25, so 5 is the square root of 25.
If α,β are the zeros of the polynomial 2x 2 - 4x + 5 find the value of a) α 2 + β 2 b) (α - β) 2 . Ans : p (x) = 2 x 2 - 4 x + 5 (Ans: a) -1 , b) -6) α + β =
Assume that the amount of money in a bank account after t years is specified by, Find out the minimum & maximum amount of money in the account throughout the first 10 years
a man buy car at rs.50 and sells it at gain of 14% find the sp
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1. Let A = {1,2, 3,..., n} (a) How many relations on A are both symmetric and anti-symmetric? (b) If R is a relation on A that is anti-symmetric, what is the maximum number o
Here we know x can only be 1 or -1. so if it is 1 ans is 2. if x is -1, for n even ans will be 2 if x is -1 and n is odd ans will ne -2. so we can see evenfor negative x also an
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A wholesaler allows a discount of 20% on the list price to a retailer. The retailer sells at 5% discount on the list price.If a customer paid Rs 114 for an article,what profit is m
A sinking ship signals to the shore for assistance. Three individuals spot the signal from shore. The ?rst individual is directly perpendicular to the sinking ship and 20 meters in
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