Question

and that day I realised not to talk on the phone while crossing the road story ​

Answer 1

Answer:

6n^3-n-19n^2-2n/2n-3

$6n {}^3{} - n - 19n {}^{2} - 2r \div 2n - 3$Two spheres carrying charges +6 uC and +9 uc, separated by a distance d, experiences a force of repulsion F. When a charge of 3 uC is given to both the sphere and kept at the same distance as before, the new force of is (k CET 2015).

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