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a
1, 2
b
0, 2
c
0, 1
d
1, 3
answer is B.
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Detailed Solution
Given equation is 32x-10.3x+9=0 can be written as (3x)2-10(3x)+9=0 Let a=3x, then it reduces to the equationa2-10a+9-0 ⇒(a-9)(a-1)=0 ⇒a=9, 1 Now a=3x⇒9=3x⇒32=3x⇒x=2 and 1=3x⇒30=3x⇒x=0 Hence roots are 0,2