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Algebra
Logarithms
jee_main_2026_jan_21_shift_1
Grade None

Question:

If log_2 16 = a and log_4 64 = b, find a + b.
A. 5
B. 6
C. 7
D. 8

Step-by-Step Solution

Key Concept: Use logarithm definition.
Step 1: a = log₂ 16 = 4. Step 2: b = log₄ 64 = 3. Step 3: a + b = 7.
Correct Answer: C
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