Mathematics
NULL
Medium
Question
I. a³ − 988 = 343, II. b² − 72 = 49. Find the relation between a and b.
A
If a > b
B
If a ≥ b
✓ Official correct answer
C
If a < b
D
If a ≤ b
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A
If a > b
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B
If a ≥ b
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C
If a < b
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D
If a ≤ b
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Explanation
a³ = 1331 ⇒ a = 11. b² = 121 ⇒ b = ±11. Hence a ≥ b.