Find the sum of the following series upto n terms
1.n+2.(n+1)+3.(n-2)...
x+y=7 and xy=12
5=25a+5b+c
8=16a+4b+c
-6=4a-2b+c
In a G-20 meeting, there were total 30 people representing their own country. All the representatives sat around a circular table....
8=16a+4b+C
make c the subject of formula
mc squared -2k=mg
ce^2+5ec-6c
2sinxcosx-cos^2x
${x}^{2} + {y}^{2} + {z}^{2} = k$
x→∞
lim
4
x−1
−2⋅3
x
x+1
+2⋅3
.
