Discover Questions

Consider the equation z=x^2-xy. For what values of x and y does z=0? A + ar + ar2 + .......
the sum of the first two terms is 24 and the sum to infinity is 27. Show that r = +,- 3? Negative Feedback Physics...
How does voltage at inverting input equal to voltage at non-inverting input assuming op-amp is not saturated?? How Did The Big bang start if there was nothing? Hello. What is the pH of 1 mol/L KNO3 ?