exam Maths Puzzle Numerical Ability

the det of x+2 2x+3 3x+4
2x+3 3x+4 4x+5
3x+5 5x+8 10x+17
is zero. solve for x

Read Solution (Total 0)

exam Other Question

Hi,
Can you help me with this math problem?

Matrices
3. Find the sum, if possible.


88 3-4
[-33] + [-7-5]
43 5 8
Two rectangles have the same width. The length if one is 1 foor longer than the width. The length of the other is 2 feet longer than the width. The larger rectangle has 4 more square feet than the smaller. What is the width of the rectangles?