Rope and Brain

In the above you can see a rope whose mass is given by the equation 2M^2*(x), where M = 1 kg, and x is the distance from point A. Find the tension at the string on:-
(1.) Point B
(2. ) Point D, but for this case x is the distance from point B, and below point B the mass of the whole string is given by 2M^2.

(TAKE g to be 10ms^-2)

Find Z+ Y ( where Z is the answer for first part and Y for the second one). ( In your final answer which you choose from the options given, dont include 'N')

NOTE : POINT D IS THE BASE NOT POINT A. THE PICTURE IS INVERTED. SORRY FOR THE INCONVENIENCE

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