If the roots of the equation (b – c)x2 + (c - a)x + (a b) = 0

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253. Two very good friends ‘Fox’ and ‘Eagle’ lived at the top of a cliff of height 6 m whose base was at a distance of 10 m from a point A on the ground. The fox descends the cliff and went straight to the point A. The eagle flew vertically up to height x and then flew in a straight line to point A. The distance travelled by each being the same. Find the value of x.
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254. On a pillar 9 metres high is perched a peacock. From a distance of 27 metres, a beautiful snake is coming to its hole at the bottom of a pillar. Seeing a beautiful snake, the peacock flying in an oblique direction, pounces upon it. If their speeds are equal of what distance away the hole is the beautiful snake caught.
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255. A motor boat whose speed is 18 km/h in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream. 
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256. If the equation (1 + m2)x2 + 2mcx + (c2 – a2) = 0 has equal roots. Prove that c2 = a2 (1 + m2).
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257. If the roots of the equation (b – c)x2 + (c - a)x + (a b) = 0 are equal then prove that 2b = a + c.


Solution not provided.

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258. Find the value of ‘p’ for which the given quadratic equation has equal roots.
5x2 – 4x + 2 + p(4x2 – 2x – 1) = 0.
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 Multiple Choice QuestionsLong Answer Type

259.

Solve for 'x':   fraction numerator 1 over denominator left parenthesis straight x minus 1 right parenthesis space left parenthesis straight x minus 2 right parenthesis end fraction plus fraction numerator 1 over denominator left parenthesis straight x minus 2 right parenthesis left parenthesis straight x minus 3 right parenthesis end fraction plus fraction numerator 1 over denominator left parenthesis straight x minus 3 right parenthesis left parenthesis straight x minus 4 right parenthesis end fraction equals 1 over 6

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 Multiple Choice QuestionsShort Answer Type

260. For what value of p (4 – p)x2 – (2p + 4)x + (8p + 1) = 0 is a perfect square.
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