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Let u(x) and v(x) are differentiable fun...

Let `u(x)` and `v(x)` are differentiable function such that `(u(x))/(v(x))=6`. If `(u'(x))/(v'(x))=p` and `((u(x))/(v(x)))'=q` then value of `(p+q)/(p-q)` is equal to

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