Binomische Formeln und Quadratzahlen
in Frage&Antwort
© bGeiring hGeiring FA v31
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`(a+b)^2 = ?`
`= a^2 + 2ab + b^2`
`(a-4)^2 = ?`
`= a^2 -8a + 16`
`(x-y)^2 = `
`= x^2 -2xy + y^2`
`18*18 = ?`
`= 324`
`(3x-2y)^2 = `
`= 9x^2-12xy + 4y^2 `
`(a+b)(a-b) = `
`= a^2 - b^2 `
`(x-y)(x+y) = `
`= x^2-y^2`
`17*17 = ?`
`= 289`
`(2x-y)(2x+y) = `
`= 4x^2-y^2`
`(a+5)^2 = `
`= a^2+10a+25 `
`(5-b )^2 = `
`=25-10b+b^2 `
`(7+x )^2 = `
`=49+14x+x^2 `
`(4a-b )^2 = `
`=16a^2-8ab+b^2 `
`(2-a)(2+a) = `
`= 4-a^2 `
`(5a-3b )^2 = `
`= 25a^2 -30ab + 9b^2 `
`(a+12 )^2 = `
`=a^2 + 24a + 144 `
`(13-c )^2 = `
`= 169-26c+c^2 `
`(11+x)^2 = ?`
`= 121+22x+x^2`
`(x^2+1 )^2 = `
`=x^4+2x^2+1 `
`(3x-y )^2 = `
`= 9x^2-6xy + y^2 `
`(4-x )^2 = `
`=16-8x+x^2 `
`(2c-4a )^2 = `
`=4c^2-16ca+16a^2 `
`(14+a )^2 = `
`= 196+28a+a^2 `
`(2-17b )^2 = `
`= 4-68b+289b^2 `
`x*(4-x) = ?`
`= 4x-x^2`
`(5-x)*x^2 =?`
`=5x^2-x^3 `
`(3-x)*3 =?`
`= 9-3x`
`(x+2x)*x =?`
`= x^2+2x^2`
`15*15 = ?`
`=225`
`c^2*(5-c) =?`
`=5c^2-c^3 `
`(1+x)*(2-x) =?`
`= 2+x-x^2`
`(1/2+x)^2 =?`
`=1/4+x+x^2 `
`(c-1/2)^2 =?`
`=c^2-c+1/4 `
`(x/2+2)^2 =?`
`=x^2/4+2x+4 `
`(2x+16)^2 = ?`
`= 4x^2+64x+256`
`(3x-15)^2 = ?`
`= 9x^2-90x+225`
`(19-x)^2 = ?`
`= 361-38x+x^2`
`(14-c)*(14+c) = ?`
`=196-c^2`