Question

Write the coefficient of y in the expansion of y^2-y+1

Answer 1

Answer:

Now,

(5−y)

2

=25−10y+y

2

.

Now co-efficient of y is −10.

Answer 2

Answer:

Heya!

=(5-y)^2

=(5)^2 + (y)^2 - 2*(5)*(y)

=25 + y^2 - 10y

The coefficient of y in the above expression is (-10) .

Hope it helps u.