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Q.

At points P, Q and R, the values of dydxandd2ydx2 are given by following expressions(I) At P, dydx = 0 and d2ydx2 =Negative(II) At Q, dydx = 0 and d2ydx2 =Positive(Ill) At R, dydx = 0 and d2ydx2 = zeroSelect correct alternative :

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a

only (I) and (II)

b

only (II) and (Ill)

c

(l).(ll)and(III)

d

none of these

answer is C.

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Detailed Solution

1,2 AND 3 ALL ARE CORRECT.
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