題組內容
1. Please evaluate the integrals:
(d) \( \iint_{D} x + 2ydA \), where \( D \) is the region bounded by the parabolas \( y = 2x^{2} \) and \( y = 1 + x^{2} \). (15%)
1. Please evaluate the integrals:
(d) \( \iint_{D} x + 2ydA \), where \( D \) is the region bounded by the parabolas \( y = 2x^{2} \) and \( y = 1 + x^{2} \). (15%)