Question

(x-3÷x^4)10

find the term independent of x​

Answer 1

Answer:

7r+1=10Cr(3x)10−r(2xr3)r

=10Cr3210−rx210−r.2rx2r(3)r

x210−r−2r=x∘

⇒210−r=2r⇒10−r=4r

⇒10=5r⇒r=2

73=10C23