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why is a methyl group electron donor???

thanks for the solution ..really a gud answer.

a straight line is such that the algebraic sum of the perpendiculars let fall upon it from any number of points is zero,show that it always passes through a fixed point???

please solve this for me...
and also give me tips to start solving any such type of problems..

ANUP

sir
can u please tell me when is the study material for complex numbers going to be put up on the site.and also other topics..

can someone please explain me the rotation of comlplex numbers and its applications in geometry.

thanks in advance

i'm not sure but i think the velocity vector will be perpendicular to the initial vector when it just touches the ground again.....

so time taken =time of flight =2usin

/g

=1second

sorry if its wrong...

sir

i have a problem in physics---H.C .Verma page 99- friction question 28.
can u please tell me how to go about it..

thanks in advance