F(x) = ?
I have no idea how to approach this problem. The fractions are scaring me.
This is really pretty simple, I can't imagine how you are stuck.
INTf(x)= INT 3x^-2 dx -INT (5x^-7)dx
= -3x^-1 +5/6 x^-6 +C
F(1)=0 = -3+5/6+C=1
solve for C.
F(x) = -3x^-1 +5/6 x^-6 check my work, it is easy to make a typo
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