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Explain Expressions ?
"One set of absolute value signs can only take the absolute value of one number."
For example,
For the absolute value of negative six plus three, convert the two numbers into one number by first adding negative six and three. The result is one number, negative three. Then take the absolute value of negative three. The answer is 3.
The wrong way is to take the absolute value of negative six and three, resulting in the absolute value of six plus three. This is incorrect, because the same set of absolute value signs is doing its job to two numbers. The rule is: "One set of absolute value signs can only take the absolute value of one number."
|-6 +| = |-3| = 3 (Correct!) |-6+ 3| = |6+3| =9 (Wrong!)
A body is constrained to move in a path y = 1+ x^2 and its motion is resisted by friction. The co-efficient of friction is 0.3. The body is acted on by a force F directed towards t
Find the value of p and q for which the system of equations represent coincident lines 2x +3y = 7, (p+q+1)x +(p+2q+2)y = 4(p+q)+1 Ans: a 1 = 2, b 1 = 3, c 1 = 7 a 2 =
A dealer sells a toy for Rs.24 and gains as much percent as the cost price of the toy. Find the cost price of the toy. Ans: Let the C.P be x ∴Gain = x % ⇒ Gain = x
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 =
how do you round a decimal
Wendy has 5 pairs of pants and 8 shirts. How many different combinations could she form with these items? Multiply the number of choices for each item to find out the number of
How can I solve the in-equations? Assist me.
Consider the integral where the notation means a contour that is parallel to the real z axis, but moved down by a distance d . Use the method of steepest descents to deri
Uses of derivative in daily life with examples.
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