C-10-Q085mediumsingle_mcqUsing Pascal's Triangle, the expansion of (1+2x)5(1+2x)^5(1+2x)5 is —a1+10x+40x2+80x3+80x4+32x51+10x+40x^2+80x^3+80x^4+32x^51+10x+40x2+80x3+80x4+32x5b1+5x+10x2+10x3+5x4+x51+5x+10x^2+10x^3+5x^4+x^51+5x+10x2+10x3+5x4+x5c1+10x+20x2+40x3+40x4+32x51+10x+20x^2+40x^3+40x^4+32x^51+10x+20x2+40x3+40x4+32x5d1+10x+40x2+40x3+10x4+x51+10x+40x^2+40x^3+10x^4+x^51+10x+40x2+40x3+10x4+x5