Math, asked by Akankshyasahu5968, 1 year ago

all formula for polynomial


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Answers

Answered by beast14
3
(x + y)2 = x2 + 2xy + y2
(x - y)2 = x2 - 2xy + y2

(-x + y)2 = (y - x)2 = y2 - 2xy + x2
(-x - y)2 = (-(x + y))2 = (x + y)2 = x2 + 2xy + y2

(x + y)3 = x3 + 3x2y + 3xy2 + y3
(x - y)3 = x3 - 3x2y + 3xy2 - y3

(x + y + z)2 = x2 + y2 + z2 + 2xy + 2xz + 2yz
(x - y - z)2 = x2 + y2 + z2 - 2xy - 2xz + 2yz

Factor Rules

x2 - y2 = (x - y)(x + y)

x2 + y2 = (x + y)2 - 2xy
or 
x2 + y2 = (x - y)2 + 2xy


x3 - y3 = (x - y)(x2 + xy + y2)
x3 + y3 = (x + y)(x2 - xy + y2)

If n is a natural number

xn - yn = (x - y)(xn-1 + xn-2y +...+ yn-2x + yn-1)

If n is even (n = 2k)

xn + yn = (x + y)(xn-1 - xn-2y +...+ yn-2x - yn-1)

If n is odd (n = 2k + 1)

xn + yn = (x + y)(xn-1 - xn-2y +...- yn-2x + yn-1)

More Algebraic Formulas

2(a2 + b2) = (a + b)2 + (a - b)2
(a + b)2 - (a - b)2 = 4ab
(a - b)2 = (a + b)2 - 4ab
a4 + b4 = (a + b)(a - b)[(a + b)2 - 2ab]


I hope this will help you.☺️

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Answered by Abhishek63715
3
✨✨hey mate here is your ans.-✨✨

Polynomial Identities

polynomial identities(short multiplication formulas):

(x + y)2 = x2 + 2xy + y2
(x - y)2 = x2 - 2xy + y2

polynomial identities(short multiplication formulas):

(x + y)2 = x2 + 2xy + y2
(x - y)2 = x2 - 2xy + y2

(x + y + z)2 = x2 + y2 + z2 + 2xy + 2xz + 2yz
(x - y - z)2 = x2 + y2 + z2 - 2xy - 2xz + 2yz

Factor Rules

x2 - y2 = (x - y)(x + y)

x2 + y2 = (x + y)2 - 2xy
or 
x2 + y2 = (x - y)2 + 2xy

If n is a natural number

xn - yn = (x - y)(xn-1 + xn-2y +...+ yn-2x + yn-1)

If n is even (n = 2k)

xn + yn = (x + y)(xn-1 - xn-2y +...+ yn-2x - yn-1)

If n is odd (n = 2k + 1)

xn + yn = (x + y)(xn-1 - xn-2y +...- yn-2x + yn-1)

More Algebraic Formulas

2(a2 + b2) = (a + b)2 + (a - b)2
(a + b)2 - (a - b)2 = 4ab
(a - b)2 = (a + b)2 - 4ab
a4 + b4 = (a + b)(a - b)[(a + b)2 - 2ab]

✨HEY DEAR MATE ✨

⚡HERE IS YOUR SOLUTION ⚡

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