(a square + b square - 3) (a square + b square) - 10 = 0 a square + b square equals

RELATED INFORMATIONS

• 1. It is known that ad is the middle line of △ ABC, AE ⊥ AB, AF ⊥ AC, and AE = AB, AF = AC are connected with EF, and ad = 1 / 2ef is verified
• 2. It is known that in △ ABC, ad, be and CF are bisectors of three internal angles and intersect with point O, og ⊥ BC, and the perpendicular foot is g
• 3. As shown in the figure, a seedling shed with width a = 6m, height B = 2.5m, and length d = 10m, the area of plastic film covered on the slope of the shed is______ m2．
• 4. If the sum of two triangles is equal to the meter shape, the circle is equal to the sum of two squares, and the triangle is equal to the sum of four circles, what is the meter shape △ square
• 5. Four triangles plus a circle = 24, two circles add up to four triangles, how many triangles and circles are each?
• 6. A triangle, a square and a circle are numbers from 1 to 9 respectively. May I ask △ =?; □ =?;, 0 =?
• 7. A math problem: triangle square = 2.8 square + circle = 9.2 triangle + circle = triangle + triangle + triangle, then three =? Positive =? Circle=
• 8. A mathematical problem, know help, two circles equal to three squares, a square plus two triangles equal to a circle First question: how many times the mass of a square is that of a triangle? Second question: how many times the mass of a circle is that of a triangle?
• 9. Two triangles are equal to five circles, three circles are equal to five squares, and how many triangles is a square equal to
• 10. The sum of two triangles equals the sum of three squares, the sum of three squares equals the sum of four circles, the sum of one triangle plus square plus two circles = 400 Triangle? Square? Do me a favor, please, uncle and sister
• 11. The sum of the numerator and denominator of a fraction is 25. If you add 5 to the numerator, it equals 1. What is the fraction Please
• 12. Please write down the Chinese meaning of Hb, CD, BBC, P and NBA emergency
• 13. In △ ABC, ab = 7, AC = 24, BC = 25, then ∠ a=______ Degree
• 14. For a function in the form of y = ax + B / CX + D (C ≠ 0), the range of y = (3x-1) / (2x + 1) can be obtained by using inverse function method or separation constant method For functions of the form y = ax + B / CX + D (C ≠ 0), the inverse function method or the separation constant method is used Find the range of y = (3x-1) / (2x + 1) The range of y = x & # 178; - 2x-3 / X & # 178; - 3x-4
• 15. The range of the function f (x) = x Λ 2 + 2x, X ∈ [- 2,3] is ()
• 16. Let f (x) = 1 / x, G (x) = ax & # 178; + BX (a, B ∈ R, a ≠ 0) If the image of y = f (x) and the image of y = g (x) have and only have two different common points a (x1, Y1), B (X2, Y2), then the following judgment is correct x1+x2>0,y1+y2>0 x1+x2>0,y1+y2
• 17. Are numbers with different symbols but the same absolute value opposite? What about + 0? The teacher said that although - 0 and + 0 are opposite numbers, the sign can be omitted, so the answer is not this (this is a multiple choice question, I omitted other answers.)
• 18. Given a = 2x ^ 2 + 3xy-2x-1, B = - x ^ 2 + XY-1, 1. Find the value of 3A + 6B 2. The value of 3A + 6B has nothing to do with X, and the value of y can be obtained
• 19. Simple calculation of 302 * 24
• 20. On the slope of straight line and normal vector Given a direction vector V (3,7) of a straight line and the slope k = 7 / 3, find the normal vector of the straight line