find the equations of the sides of equilateral triangle whose vertex is (2,3) and base is y-axis
3 dimensional Geometry class +2 ncert solution
Prove that 1 + 1 /1+2 + 1 /1+2+3 + ………. + 1/ 1+2+3+⋯+𝑛 = 2𝑛/ 𝑛+1 ; n ∈
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