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I. ` p^(2) - 8p+15 = 0` II. ` q^(2) - 5q =- 6`A. if`p lt q,`B. if`p gt q,`C. if` p le q,`D. if` p ge q,` |
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Answer» Correct Answer - D (I) ` p^(2) - 8p+15 = 0` ` rArr p^(2) - 3p-5p+15 = 0` ` rArr p(p-3)-5(p-3)=0` ` rArr (p-3)(p-5) = 0` ` rArr p = 3 or 5` (II) ` q^(2) - 5q =- 6` ` rArr q^(2) -5q+6 = 0` ` rArr q^(2) - 3q-2q+6 = 0` ` rArr q(q-3) -2(q-3) = 0` ` rArr q(q-3)(q-2) = 0` ` rArr q = 3 or 2` Obviously, ` p ge q`. |
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