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tmua.me Medium Set D Paper 1 · Q5

Paper 1Calculus

What are all the real values of xx satisfying

∫1x(t2−4t+3) dt=0 ?\int_1^x (t^2-4t+3)\,\mathrm{d}t=0\,?
Ax=1x=1 only
Bx=3x=3 only
Cx=1x=1 or x=3x=3
Dx=0x=0 or x=3x=3
Ex=1x=1 or x=4x=4

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