Question

factorize the following expression 1+2uv-u²-v²​

Answer 1

Answer:

(u+v)^2=1

Step-by-step explanation:

1+2uv-u^2-v^2=0

multiplying LHS andRHS by -1 we get

(u^2+v^2-2uv)-1=0

(u+v)^2=1

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