the value of sigma r(0 to 10) of 10Cr x 3^r x (-2)^10-r is Share with your friends Share 1 Vivek Rai answered this Dear student, we have , ∑r=0r=1010Cr3r(-2)10-r, This is the general term written for the expansion of (3-2)10=110=1 Hope this clears your doubt With regards 0 View Full Answer