coefficient of x^4 in (1-x+x^2)^5
A. 35
B. 45.
C. 60
D. 75
E. 50
Unit place of 1^1+2^2+3^3+.....+100^ 100.
No oa.
sum of infinite series 1+4/5+9/5^2+16/5^3...
I need
find the +ve integral solution where abc=45 Post
coefficient of x^4 in (1-x+x^2)^5
A. 35
B. 45.
C. 60
D. 75
E. 50
Unit place of 1^1+2^2+3^3+.....+100^ 100.
No oa.
sum of infinite series 1+4/5+9/5^2+16/5^3...
I need
find the +ve integral solution where abc=45 Post