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If `alphaa n dbeta` are the roots of `ax^2+bx+c=0a n dS_n=alpha^n+beta^n,` then `a S_(n+1)+b S_n+c S_(n-1)=0` and hence find `S_5dot`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  2. If the equation (a-5)x^2+2(a-10)x+a+10=0 has roots of opposite sign, t...

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  19. Suppose A, B, C are defined as A=a^2b+a b^2-a^2c-a c^2 , B=b^2c+b c^2-...

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  20. The integral value of m for which the root of the equation m x^2+(2m-1...

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