1.

Expand (1+x)^4,(1-x)^3 and (1-x)^2

Answer»

SOLUTION :`(1+x)4=1-4x+6x^2-4x^3+x^4(1-x)63=1-3x+3x^2-x^2,(1-x)^2=1-2x+x^2`


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