Question

Q. No. 1 Complete these Algebraic Expressions.


I) ( x – y)2 = ?

II) ( x – y) (x + y) = ?

III) ( x + y + z)2 = ?

IV) ( x + y)3 = ?

V) X³-y³=x
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Answer 1

Answer:

1. x^2+y^2-2xy
2. x^2-y^2
3. x^2+y^2+z^2t2xy+2yz+2zx
4. (x-y)³=x³-3x²y+3xy²-y³.
5. x³-y³ = (x-y)(x²+xy+y²),