4. If a,b and c are positive real n...
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4. If a,b and c are positive real numbers such that alog37 = 27; blog, 11 = 49 and clog, 25 = V11. Find the value of (a cze, 7° + bloe, 11° + (01 253). Sheetlogarithm Eng04

JEE/Engineering Exams
Maths
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( frac{log _{3} 7 cdot log _{3} 7}{+b} log _{7} 1.1 cdot log _{7} 11 log _{11} 25 cdot log _{4} 25 ) 0 ( Rightarrow ) ( 27^{log _{3} 7}+49^{log _{7} 4}+(sqrt{11})^{log _{11} 25} ) ( Rightarrow quad 7^{operatorname{cog}_{3} 27}+11^{log _{7} 9}+11^{frac{1}{2} log _{15} 5} ) 3 ( 7^{3}+11^{2}+25^{frac{1}{2}} ) ( Rightarrow quad 343+121+5 ) ( =469 ) the
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