Question

Write the coefficient of x in the expansion of [8-x]whole square 2

Answer 1

Step-by-step explanation:

[ 8 - x ] ^2 = ( 8 )^2 +. 2 ( 8 ) ( x) + ( x )^2

{ a+b } ^2 = a^2 + 2(ab ) + b^2

64+16x+x^2

coefficient of x = 1