若等差数列an满足anan+1=n2+3n+2,则公差为?

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若等差数列an满足anan+1=n2+3n+2,则公差为?若等差数列an满足anan+1=n2+3n+2,则公差为?若等差数列an满足anan+1=n2+3n+2,则公差为?anan+1=n2+3n+

若等差数列an满足anan+1=n2+3n+2,则公差为?
若等差数列an满足anan+1=n2+3n+2,则公差为?

若等差数列an满足anan+1=n2+3n+2,则公差为?
anan+1=n2+3n+2=(n+1)(n+2)
所以公差1