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Identify the errors in these sentences and then rewrite them correctly in your notebook. 1. Do not assume that you are more better than the others.
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factorise than x^3-3x^2-9x-5 factorise
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Step-by-step explanation:
Substitute 5 for x in x3 – 3x2 – 9x – 5
53 – 3(5)2 – 9(5) – 5 = 125 - 75 - 45 - 5 = 0
So, 5 is a zero of the expression x3 – 3x2 – 9x – 5
This means (x - 5) is a factor of x3 – 3x2 – 9x – 5
Divide x3 – 3x2 – 9x – 5 by x - 5
x3 – 3x2 – 9x – 5 = (x - 5) (x2 + 2x + 1) = (x - 5) (x+1)2
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. Find Arithmetic mean terms (i) 8 A.M. between 6 & 60.
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