What-is-the-sum-of-the-coefficients-in-the-expansion-of-2015v-2015u-1-2015-

Question Number 111393 by Aina Samuel Temidayo last updated on 03/Sep/20

What is the sum of the coefficients in the

expansion of {(2015 v - 2015 u + 1)}^{2015} ?

Commented by mr W last updated on 03/Sep/20

1

Commented by Aina Samuel Temidayo last updated on 03/Sep/20

Solution please ?

Commented by PRITHWISH SEN 2 last updated on 03/Sep/20

put v = u = 1

Commented by Aina Samuel Temidayo last updated on 03/Sep/20

Why ?

Commented by PRITHWISH SEN 2 last updated on 03/Sep/20

if you put v = u = 1 then the v and u will vanish

from the expansion and only the coefficients

will remain .

Commented by Aina Samuel Temidayo last updated on 03/Sep/20

Oh . Cool . Thanks .