1 2 A 2 B 2 C 2 D 2 E 2 F 3 A 3 B 3 C 3 D 3 E 3 F 4 A 4 B 4 C 4 D 4 E 4 F 5 A 5 B 5 C 5 D 5 E 5 F 6 A 6 B 6 C 6 D 6 E 6 F 7 A 7 B 7 C 7 D 7 E 7 F 7 G 7 H 8 9 A 9 B 9 C 9 D 9 E 9 F

Q. 7 G5.0( 1 Vote )

Solve the equatio

Class 9th Tamilnadu Board Math Term-III 2. Scientific notations of real numbers and logarithms

Answer :

log₃25 + log₃x = 3log₃5

⇒ log₃(25×x) = 3log₃5

⇒ log₃(25x) = log₃5³

⇒ 25x = 5³ or (5²)x = 5³

⇒ x = 5

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