blackbutterfly834
Dheeraj Kumar
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21 May 2021
For perfect number, a number N is perfect if the sum of its divisors is 2N. Co...
19 May 2021
1 molecules of CH4 = so, molecules of CH4 = = 0.40 moles
19 May 2021
Formula for centripetal force = so Initial centripetal force = and final centr...
19 May 2021
4x-14+7x = 3x + 2 11x-3x = 2 + 14 8x = 16 x = 16/8 x = 2