PRECALCULUS PROBLEMS AND SOLUTIONS
(Part - 16)

Problem 1 :

If log₄ (x – 1) + 1 = 2log₄ x, what is the value of x?

Solution :

Problem 2 :

If log_e 2 ⋅ log_x 625 = log₁₀ 16 ⋅ log_e 10, what is the value of x?

Solution :

Problem 3 :

Evaluate :

log_2√2 (1/256)

A)  16/3

B)  -4

C)  3

D)  -16/3

Solution :

Problem 4 :

Find the least common multiple (LCM) of 12!, 14! and 13!.

A)  11!

B)  15!

C)  12!

D)  14!

Solution :

Problem 5 :

If ⁿP₈ : ⁿP₇ = 4 : 1, what is the value of n?

A)  12

B)  10

C)  11

D)  13

Solution :

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