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ListIListII P(t)=(1t2+1,tt2+1).If P(α),B(β).C(γ) P.are vertices of an equilateral triangle1.0 (α,β,γ>0)and its centroid is(a,b)then 2a+b= IF a complex number!z satisfying |z2+i|1, Q.then the maximum distance of origin from 4+i(2z)is2.12 Consider the curve xy=25! such that (α,β)is a point on the curve. R.Then the number of distinct ordered pairs(α,β)3.22 such that HCF(α,β)=1 is 2k then k= S.If 2(1+cosπx)log52+2x21+22(1|x|)=3,then sum of the roots is4.32


A

P-4,Q-3,R-2, S-1

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B

P-2,Q-3,R-1, S-4

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C

P-2,Q-3,R-4,S-1

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D

P-3,Q-2,R-4,S-1

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Solution

The correct option is C

P-2,Q-3,R-4,S-1


P:Point lies on x2+y2=x

centre is (12,0)

a=12, b=0

Q:|4+2iiz|=|z2+i+3i| 1+3=4

R:xy=25! =22231056 73 112 131 171 191 231

29

S:1+cosπx=0, x21=0 |x|=1x=±1.

sum=0


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