Question
Find the value x2 + y2, if xy = 13 and x + y = 7.
More Algebra Questions
- If, ( a + b = 12 ) and ( a² + b² = 80 ), then find the value of (a³ + b³).
- If x² - 2x + 1 = 0, then find the value of (x³ + x⁻³)(x + x⁻¹).
- (123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?
- If x + 1/x = 6, find (x2 + 1/x2).
- If f(x) = 3x² − 7x + 5, find f(2a) − 4f(a).
- If p = 33 - q - r and pq + r(q + p) = 260, then find the value of (p² + q² + r²).
- Question 7
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- If x + y + z = 7, x² + y² + z² = 85 and x³ + y³ + z³ = 842, then the value of √3xyz is:
- If x² + px + q = 0 has roots 4 and -3, find the values of p and q.
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