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If a x^3+b x^2+c x+d is divisible by a x...

If `a x^3+b x^2+c x+d` is divisible by `a x^2+c ,t h e na ,b ,c ,d` are in a. A.P. b. G.P. c. H.P. d. none of these

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  3. If a x^3+b x^2+c x+d is divisible by a x^2+c ,t h e na ,b ,c ,d are in...

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  14. If the sum to infinity of the series 1+2r+3r^2+4r^3+ is 9/4, then val...

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  19. Suppose that F(n+1)= (2F(n)+1)/2 'for n=1,2,3 a n dF(1)=2. T h e ndot...

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  20. In an A.P. of which a is the first term if the sum of the first p term...

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