71 72 73 74 25 16 +4/-1 Single Choi...
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71 72 73 74 25 16 +4/-1 Single Choice Fax-b: f(x)= 3x -a, Let x51 1
JEE/Engineering Exams
Maths
Solution
122
Rating
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Pult ( a=3+b ) in ( operatorname{cag} ), we gel ( 6=4 b-3-b ) ( 6+3=3 b Rightarrow 9=3 b ) Put ( b=3 ) in eq ( left(frac{b=3}{2}, ) we get right. ( 6=4 times 3-a ) ( a=12-6 Rightarrow[a=6 ) ( Rightarrow(a, b)=(6,3) )

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