Factorize $4{{x}^{2}}-9{{y}^{2}}+20x+25$

The sixth term of arithmetic progression is half of its twelfth term. The first term is equal to

An operation *is defined on the set of real numbers by a * b  = a + b + 1. If the identity element is –1 . Find the inverse of the element 2 under the operation

Solve the equation ${{m}^{2}}+{{n}^{2}}=29,\text{  }m+n=7$

Evaluate $\left| \begin{matrix}   -1 & -1 & -1  \\   3 & 1 & -1  \\   1 & 2 & 1  \\\end{matrix} \right|$

Find the integral values of x and y satisfying the inequality 3y + 5x ≤ 15 given y > 0, y < 3, and x >0

if two graph $y=p{{x}^{2}}+q$ and $y=2{{x}^{2}}-1$intersect at x = 2. Find the value of p in terms of q

Given the matrix $k=\left( \begin{matrix}   2 & 1  \\   3 & 4  \\\end{matrix} \right)$ the matrix k² +k +1 is , where I is the 2× 2 identity matrix

If $P=\left( \begin{matrix}   3 & -2 & 4  \\   5 & 0 & 6  \\   7 & 5 & -1  \\\end{matrix} \right)$ then –2p is 

A man saves N100.00 in his first year, saves N20.00 more than in the preceding year. In how many years will he save N5,800.00