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If in any binomial expansion a, b, c and...

If in any binomial expansion a, b, c and d be the 6th, 7th, 8th and 9th terms respectively, prove that `(b^2-ac)/(c^2-bd)=(4a)/(3c)`

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Knowledge Check

  • In the binomial expansion of (a-b)^(n) , n ge 5 , the sum of 5th and 6th terms is zero, then (a)/(b) equals

    A
    (a) `(n-5)/(6)`
    B
    (b) `(n-4)/(5)`
    C
    (c) `(5)/(n-4)`
    D
    (d) `(6)/(n-5)`

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