Question

помогиье а и б..........

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Answer 1

$A) \frac{5}{a-2}\\a-2=0\\a=2\\ B) \frac{x^2+x}{x^2-x}\\x^2-x=0\\x\cdot(x-1)=0\\x=0\\x-1=0\\x=0\\x=1\\ Otvet:x=0, x=1$