kekeke68
09.08.2019 •
Mathematics
1. (a) estimate the volume of the solid that lies below the surface z − xy and above the rectangle r − hsx, yd | 0 < x < 6, 0 < y < 4j use a riemann sum with m − 3, n − 2, and take the sample point to be the upper right corner of each square.
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Ответ:
Step-by-step explanation:
the given equation is in the form of quadratic formula i.e.ax^2+bx+c=0.
So ,here a=-1 ,b=-6 and c=-9
b^2=(-6)^2
=36
4ac=4*(-1)*(-9)
=4*9
=36
b^2-4ac=36-36
=0
number of solutions =1