Find x^2y^2/4 if x and y are integers such that y2-30x2=517-3x2y2
Answers
Answer:
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Answer:
The value of = 49
Step-by-step explanation:
Given expression is,
Rearranging the terms,
By subtracting 10 on both sides,
[By factorizing, 507 = 3 × 169 = 3 × 13 × 13 = 3 × 13²]
From above equation,
As x and y are integers, so (3x² + 1) ≠ 169 and (3x² + 1) ≠ 3
(3x² + 1) = 13
3x² = 13 - 1 = 12
x² = 4 and x = +2 or -2
Then y² - 10 = 3 × 13 = 39
y² = 39 + 10 = 49
y² = 49 and y = +7 or -7
- The value of = = 49
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