Definite integration slides 376 kho tài liệu bách khoa

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Definite integration slides 376 kho tài liệu bách khoa

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Definite Integration Summation/Area Under Curve Definition : is called definite integral of f between limits a & b where Note : f (x) is bounded & continuous in [a, b] Dividing into n Vertical stripes each of width h h + h + h …… n times = b – a nh = b – a As n → ∞ h→0 Area can be calculated by ways First Method Second Method Sn < Required Area < sn Examples Q By 1st Principle ESTIMATION OF DEFINITE INTEGRAL AND GENERAL INEQUALITIES For a monotonic increasing function in (a, b) For a monotonic decreasing function in (a, b) For a non monotonic function in (a, b) Function is maximum at x=b and minimum at x=c In addition to this note that equality holds when f(x) lies completely above the xaxis Examples Q Q Q Q Q Walli’s Theorem & Reduction Formula (m, n are non-negative integer) Example Q SOME INTEGRALS WHICH CAN NOT BE FOUND IN TERMS OF KNOWN ELEMENTRY FUNCTIONS Q Q Q Q Q Q Q Q Q Q Q Q Q Q DIFFERENTIATION AND INTEGRATING SERIES Find the sum of series Q Q If | x | < then find the sum of the series then prove that ...Definition : is called definite integral of f between limits a & b where Note : f (x) is bounded & continuous in [a, b]

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