If 9x2 + y2 = 37 and xy = 2, x, y > 0, then the value of (27x3 + y3) is:
A. 301
B. 217
C. 207
D. 259
Answer: Option B
Solution (By Examveda Team)
xy = 22 × 1
1 × 2
at x = 2, y = 1
9x2 + y2 = 37
9 × 4 + 1 = 37
37 = 37 it satisfy
27x3 + y3
= 27 × 23 + 13
= 27 × 8 + 1
= 217
This Question Belongs to Arithmetic Ability >> Algebra
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