17
27
35
71
Correct answer is B
\(3x^{2}-2y+z=3(3)^{2}-2(2)+4=27-4+4=27\)
If x = \(\begin{pmatrix} 1 & 2 \\ 0 & 3 \end{pmatrix}\) and y = \(\begin{pmatrix} 2 & 1 ...
The operation * on the set R of real number is defined by x * y = 3x + 2y − 1, find 3* −...
If P \(=\left[\begin{array}{cc}x+3 & x+2\\ x+1 & x-1\end{array}\right]\) evaluate x if |P| ...
If x varies directly as y3 and x = 2 when y = 1, find x when y = 5...
Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum. ...