Question

B) Solve the following:- (4)

1. Find the value of x-y; if 5x+4y=14 & 4x+5y=13.

2. Write the quadratic equation if the roots are -6 & -5

3. Find the 11th term of the A.P. 4,9,14,…..

4. There are some cards in a box each bearing a number from 14 to 20. Write the sample space & number of samples points.
​

Answer 1

Answer:

1. the required result is 1.