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Grade 11Algebra

Find the real values of “a”, so that a(log_10x)^2-{a+2}(log_10x )+2a=0 may give two values of “x” whose integral parts are of two digits note that _10 denotes that the base is 10

Profile image of Parth Malik
15 Years agoGrade 11
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1 Answer

Profile image of SAGAR SINGH - IIT DELHI
15 Years ago

Dear student,

Put Discriminat D>0

D=b2-4ac