5log5⁡35log5⁡33log3⁡53−log1/3⁡4(0.1)log0.01⁡47log7⁡3735 is equal to ___________ .

Δ=5log5⁡35log5⁡33log3⁡53−log1/3⁡4(0.1)log0.01⁡47log7⁡3735=5log5⁡35log5⁡33log3⁡53log3⁡4(0.1)log0.1⁡27log7⁡3735=5log5⁡35log5⁡35log5⁡3423735Applying C2→C2−C1 and C3→C3−C1, we getΔ=5log5⁡3004−2−17−4−2=0