The function V= √1.223w expresses the landing speed, V (in feet per second), as a function of gross weight, w (in pounds), of an
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First, write both the equations in its standard form.
Now, write the equations in form of matrix.
Then, multiply the equation towards the left by using the inverse of matrix
The product of the matrix & its inverse will be the identity matrix.
Now, multiply the matrices that lie on the left-hand side of the equal sign.
For the 2 × 2 matrix , the inverse matrix is ⇨
.
Do the calculations.
Multiply the matrices.
Do the arithmetics again.
Finally, extract the matrix elements x & y & write them separately.