Starting from Newton-Leibniz type formula for q-integral,Iyengar type inequality for q-integral is established,and the result is transplanted to qb-integral.Furthermore,a perturbed Iyengar type inequality for quantum integral is established using q-Hayashi inequality for second-order q-differentiable functions and second-order qb-differentiable functions.
Iyengar type inequalityq-derivativeqb-derivativeq-integralqb-integral
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