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Q.

f(x)={1−sin3x3cos2xifx<π/2Pifx=π/2q(1−sinx)(π−2x)2ifx>π/2  if continuous at x=π/2  then (p, q)

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a

(4,  12)

b

(−12,  4)

c

(4,  −12)

d

(12,  4)

answer is D.

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Detailed Solution

Limx→π2−1−sin3x3cos2x=Limx→π2+q(1−sinx)4(π2−x)2=P 12=Limh→01−coshh2.q4=P 12=q8=P (12,  4)
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