Subject: Maths, asked on 18/5/18

## evaluate lim​x->a (a2-x2 ) 2    ((a2+x2)/ax -2 sin((a pi)/2 ) sin((pi x)/2) where a is an odd integer​

Subject: Maths, asked on 15/5/18

## Find limit r tends to 2 r^3+2^3/r-2

Subject: Maths, asked on 15/5/18

## Solve this:

Subject: Maths, asked on 10/5/18

## the arithmetic mean of the series a+a+d+a+2d......(a+2nd)  {ans is a+nd)

Subject: Maths, asked on 8/5/18

## Using properties of determinants prove that: 5. .

Subject: Maths, asked on 8/5/18

## Evaluate:

Subject: Maths, asked on 6/5/18

## Q7 reply fast plssss

Subject: Maths, asked on 6/5/18

## Q.4. Find the value of $\theta$ satisfying

Subject: Maths, asked on 3/5/18

## Prove without expanding: Subject: Maths, asked on 2/5/18

## Plz fast exam today Q.14. Solve for x, $\left|\begin{array}{ccc}4x& 6x+2& 8x+1\\ 6x+2& 9x+3& 12x\\ 8x+1& 12x& 16x+2\end{array}\right|=0$

Subject: Maths, asked on 2/5/18

## Without expanding solve q7 Q.7. $\left|\begin{array}{ccc}a& b& c\\ a-b& b-c& c-a\\ b+c& c+a& a+b\end{array}\right|={a}^{3}+{b}^{3}+{c}^{3}-3abc$

Subject: Maths, asked on 1/5/18

## Plz fast exam tomorrow Q. Without expanding prove that $\left|\begin{array}{ccc}a+bx& c+dx& p+qx\\ ax+b& cx+d& px+q\\ u& v& w\end{array}\right|=\left(1-{x}^{2}\right)\left|\begin{array}{ccc}a& c& p\\ b& d& q\\ u& v& w\end{array}\right|$

Subject: Maths, asked on 1/5/18

## if A and B are square matrices of the same order and A is non singular then for a positive integer n (AinverseBA)^n =

Subject: Maths, asked on 30/4/18

## Pls solve fast

Subject: Maths, asked on 27/4/18

## 6.  If $∆=\left|\begin{array}{ccc}1& 3\mathrm{cos}\theta & 1\\ \mathrm{sin}\theta & 1& 3\mathrm{cos}\theta \\ 1& \mathrm{sin}\theta & 1\end{array}\right|$, the maximum value of $∆$ is

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