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yC=x3 - 7x + 3 ------> equation of curve.yT=mx+c ----------------> equation of tangent, where m is the gradient of the graph and c is the value of the y-intercept (t...
We are looking for all the x values for which this equation holds. We know how to solve quadratic equations without the inequalities, and that is the first step here! So let's forget about the greater tha...
2x3 + 4x3/2 - 5x + cGeneral rule for integration is increase the power by 1 then divide by the new powerAlways remember +C !!!!!!!
A decreasing function means that its instantaneous slope (rate of change) is negative and the function tends to smaller values of y.There are two approaches to this. One is graphical, as sin(x) i...
There are 12 choices for the first memebr, then 10 for the next (as it cannot be the spouse), then 8, then 6.Therefore there are 121086 permutations where partners aren't together.However, th...
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