The sequence a(1), a(2), a(3),...,a(n-1), a(n) is such that a(r)= 7r-3.
Show that 1/[√a(r) - √a(r+1)] = k[√(7r-3) - √(7r+4)].
The numbers/letters in brackets are subscript.
Show that 1/[√a(r) - √a(r+1)] = k[√(7r-3) - √(7r+4)].
The numbers/letters in brackets are subscript.
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