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Answers
Answers
Put 5^x = t
Solve the obtained quadratic equation and you will get :
t=1 and t=125
Hence, x= 0 and 3
about 11 years ago
Nikhil Bap...
substitute 5^x as t and solve it as quad. equation u'll get,
t^2-126t+125=0
which gives u d roots 125 nd 1
den resubstitute t as 5^x
so u'll get
5^x=125
=> 5^x=5^3
=> x=3
nd 5^x=1
=> 5^x=5^0
=>x=0
so ur ans should be
4. 0 and 3
about 11 years ago
Tejul pand...
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