Pls solve this problem
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x1 = ut+1/2at^2
X4 = u*4t+1/2a(4t)^2 as time taken to travel distance x4 is 4t
x3 = u*3t+1/2a(3t)^2 = 3ut+3.5at^2
X2 = u*2t+1/2a(2t)^2 = 2ut + 2at^2
x4-x1 = (3ut + 7.5at^2) ....option 4
X4 = u*4t+1/2a(4t)^2 as time taken to travel distance x4 is 4t
x3 = u*3t+1/2a(3t)^2 = 3ut+3.5at^2
X2 = u*2t+1/2a(2t)^2 = 2ut + 2at^2
x4-x1 = (3ut + 7.5at^2) ....option 4
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