Question
Find the value x2 + y2, if xy = 13 and x + y = 7.
More Algebra Questions
- If a + b + c = 14 and ab + bc + ca = 60, then find the value of a² + b² + c².
- If a3 — b3 = 602 and a— b = 2, then find the value of( a2 + b2)
- If (a + b + c) = 9, find (a – 4)3 + (b – 2)3 + ( c – 3)3 - 3(a – 4 ) (b – 2 ) (c – 3)?
- If (u + v) = 11 and uv = 24, then find the value of (u² + v²).
- (a + 7)2 + (b – 2) 2 + (c + 3) 2 = 0, then find the value of 3a - 2b + c.
- If p = 28 - q - r and pq + r(q + p) = 182, then find the value of (p² + q² + r²).
- If a = 56, b = c = 55, then find the value of a³ + b³ + c³ – 3abc.
- If (6x + y) = 180 and 5x:2y = 25:12, then find the value of (2x² + 5y²).
- (x – 4)2 + (y + 3) 2 + (z – 5) 2 = 0, then find the value of 2x + 3y – z.
- Question 10
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