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k - 1 - 12/(k - 1) = 1 Multiply both sides by k - 1 to get.. k(k - 1) - k + 1 - 12 = k - 1 k² - k - k - 11 = k - 1 k² - 2k - 11 = k - 1 Bring...

4 Answers · Science & Mathematics · 28/08/2011

2. ### K Blade Tour or K pro Tour?

Definitely the K Blade Tour, even though my instructor ...an ease for you to "wrist snap" on your serves. K Pro is also very head light but its ...

3 Answers · Sports · 07/12/2008

3. ### k^2 - 3K + 5 =0. Determine the...?

You could solve k^2 - 3k + 5 = 0 and plug the two solutions into the second expression... for k. You can, however, use the original equation to simplify the k^4 expression: k^4 - 6k^3 + 9k^2 - 7 k^2(k^2 - 6k + 9) - 7 k^2(k^2 - 3k - 3k...

4 Answers · Science & Mathematics · 26/11/2008

4. ### I(k,n) = INT x^k * (lnx)^n dx?

∫x^k * (lnx)^n dx is worked out by parts u = (lnx)^n, and dv/dx = x^k then du/dx = (n/x)* (lnx)^n-1 , v = x^(k+1 / k+1 so S(k,n) = (lnx...

2 Answers · Science & Mathematics · 07/06/2007

5. ### How can the answer also be 3 > k if k > 3? (quadratics)?

(k - 1)x² - (k + 1)x + 2 = 0 first off, notice that k <> 1 because... linear and can have only 1 solution now, proceed as you did until: (k - 3)² > 0 k > 0 ← this step is not justified...

1 Answers · Science & Mathematics · 02/04/2011

6. ### What is the value of k?

...quot;Thanks". Anyway... = = = = = = = = = = = = = = = = = = y = x² + (k + 2)x + 2k + 1 If the curve touch the x-axis, then y must be nil: y = 0 ...

3 Answers · Science & Mathematics · 17/09/2013

7. ### Let k represent some unknown number between -4 and -5. Locate between two consecutive integers the following.?

-5 < k < -4 (a) Multiply all three parts by -1. ...the inequalities: 5 > -k > 4 or equivalently 4 < -k < 5 -k is between 4 and 5. (b) Add 5 to all three...

1 Answers · Science & Mathematics · 27/12/2013

8. ### an=sum k=0 to k=n from 10 (-k^2).The limit of this sequence belongs to the set a)Q b) [-1,0) c) R/Q?

a(n) = Σ(k = 0 to ∞) 10^(-k^2) is irrational (choice C, assuming you mean...bit more, showing that it is transcendental. Let p(n) = Σ(k = 0 to n) 10^(n - k^2) and q(n) = 10^n. Then, |Σ(k = 0 to ∞) 10...

2 Answers · Science & Mathematics · 13/04/2013

9. ### Solve for k please????

(1/k)= (1/a) +(1/b) +(1/c) Multiply both abc →abc(1/k)=abc{(1/a) +(1/b) +(1/c)} →abc(1/k)=bc +ac +ab Divide both sides...

3 Answers · Science & Mathematics · 15/08/2012

10. ### Find the value of k in the expression (quadratic equation)?

k for the expression kx² + 3kx + 9 which is a positive definite b^2 - 4ac =>0 (3k)^2 - 4 * k *9 = >0 9k^2 - 36 k = > 0 9k (k -4) => 0 k =0 ; k = >4 or k...

4 Answers · Science & Mathematics · 19/04/2013