Question

Evaluate
ab-cd
/2a+1

when a = 5, b = -4, c = 1, and d = 13

Answer 1

Step :

5 x (-4) - 1 x 13 -20 - 13 -33

--------------------- = ---------- = -----

2 x 5 + 1 11 11

Ans ; -33/11