Solve this: ( i ) 1 1 + a n - m + 1 1 + a m - n ( i i ) ( x a + b ) 2 × ( x b + c ) 2 × ( x c + a ) 2 ( x a . x b . x c ) 3 Share with your friends Share 0 Shruti Tyagi answered this Dear student, (i) We have,11+an-m+11+am-n=11+anam+11+aman ...[using a-b=1ab]=amam+an+anan+am=am+anam+an=1(ii) xa+b2×xb+c2×xc+a2xa.xb.xc3= x2a+2b×x2b+2c×x2c+2ax3a.x3b.x3c ...[using amn=am×n]=x2a+2b+2b+2c+2c+2ax3a+3b+3c ...[using am×an=am+n]=x4a+4b+4cx3a+3b+3c =x4a+4b+4c-3a+3b+3c ...[using aman=am-n]=x4a-3a+4b-3b+4c-3c=xa+b+c Regards 0 View Full Answer