C-10-Q080mediumsingle_mcqThe expansion of (1−2x2)5(1-2x^2)^5(1−2x2)5 is —a1−10x2+40x4−80x6+80x8−32x101-10x^2+40x^4-80x^6+80x^8-32x^{10}1−10x2+40x4−80x6+80x8−32x10b1−10x2+20x4−40x6+80x8−32x101-10x^2+20x^4-40x^6+80x^8-32x^{10}1−10x2+20x4−40x6+80x8−32x10c1+10x2+40x4+80x6+80x8+32x101+10x^2+40x^4+80x^6+80x^8+32x^{10}1+10x2+40x4+80x6+80x8+32x10d1−5x2+10x4−10x6+5x8−x101-5x^2+10x^4-10x^6+5x^8-x^{10}1−5x2+10x4−10x6+5x8−x10