Question

Evaluate : (i)
221x 321x 321 +113 x 113 x 113
321x 321-321x113+113 x 113
685 X 685 x 685 - 375 x 375 x 375
685 x 685 +685 x 375 +375 x 375​

Answer 1

Answer:

1-1=0

hence proved €=€

so 2=2 3=3 1=1 rhs is221 = 122=212

Lhs is 321=123=213=213

hence your answer is 123321213

HENCE PROVED

Answer 2

Answer:

140,626,489 is this answers