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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

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

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear student,

Put Discriminat D>0

D=b2-4ac

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