{x}^{2} + {y}^{2} + {z}^{2} = k
solve:5^x+5/5^x=6
x^2+y^2+z^2=k?
If π¦ = cos(π π ππβ1π₯), prove that (1 β π₯
2
)π¦π+2 β (2π + 1)π₯ π¦π+1 + π(π + 1)π¦π = 0
how to get 1(Β½) from ΒΌ
Find sum of the series up to n terms
w
construct a parallelogram pqrs with diagonals measuring 7cm and 9.5cm such that the angle between them is 70 measure and write dow...
2 + 2
3(x-1) -1 < x-2 /3 - (x- x-1 / 3)
