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$\int\left(a+b-1\right)\left(a+b+1\right)db$
Learn how to solve problems step by step online. Integrate the function (a+b+-1)(a+b+1). Find the integral. We can solve the integral \int\left(a+b-1\right)\left(a+b+1\right)db by applying integration by parts method to calculate the integral of the product of two functions, using the following formula. First, identify u and calculate du. Now, identify dv and calculate v.