which-of-the-following-integrals-can-be-evaluated-using-substitution-by-letting-

Question

Which of the following integrals can be evaluated using substitution by letting u = $$x^2 + 1$$?

Accepted Answer

∫ $$(x^2$$ + $$1)^3 * 2x dx$$

Answer

∫ $$(x^2$$ + $$1)^4 * 2 dx$$

Answer

∫ $$(x^2$$ + $$1)^3 * x dx$$

Answer

∫ $$(x^2$$ + $$1)^2 * 3x dx$$

Which of the following integrals can be evaluated using substitution by letting u = x^2 + 1?