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PRACTICE PAPER-3 Contd. 18. If $p$, $q$ are real and $p \neq q$, then show that the roots of the equation $(p - q)x^2 + 5(p + q)x - 2(p - q) = 0$ are real and distinct. OR Find the sum of following A.P. $\frac{x - y}{x + y}$, $\frac{3x - 2y}{x + y}$, $\frac{5x - 3y}{x + y}$.... to n terms.

          PRACTICE PAPER-3 Contd.
18. If $p$, $q$ are real and $p \neq q$, then show that the roots
of the equation
$(p - q)x^2 + 5(p + q)x - 2(p - q) = 0$ are real and
distinct.
OR
Find the sum of following A.P.
$\frac{x - y}{x + y}$, $\frac{3x - 2y}{x + y}$, $\frac{5x - 3y}{x + y}$.... to n terms.

Show more…

PRACTICE PAPER-3 Contd.
18. If p, q are real and p ≠ q, then show that the roots
of the equation
(p - q)x^2 + 5(p + q)x - 2(p - q) = 0 are real and
distinct.
OR
Find the sum of following A.P.
(x - y)/(x + y), (3x - 2y)/(x + y), (5x - 3y)/(x + y).... to n terms.

Added by Tara R.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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