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I. ` 12p^(2) - 7q =- 1 ` II. ` 6q^(2) - 7q+2 =0`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 - A (I) ` 12p^(2) - 7p =- 1 ` ` rArr 12p^(2)-7p+1 = 0` ` rArr 12p^(2) -4p-3p+1 =0` ` rArr 4p(3p-1)-1(3p-1)=0` ` rArr (3p-1)(4p-1) = 0` ` rArr p = 1/4 or 1/3` (II) ` 6q^(2) - 7q+2 = 0` ` rArr 6q^(2) -4q-3q+2 =0` ` rArr 2q(3q-2)-1(3q-2) =0` ` rArr (3q-2)(2q-1) =0` ` rArr q = 2/3 or 1/2` Obviously, ` p le q` |
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