29) If (1+2x+3x2)10=a0+a1x+a2x2+ + a20 x20, then find a1 equals a) 10 b) - Maths - Binomial Theorem

Question

29 )   I f   ( 1 + 2 x + 3 x 2 ) 10 = a 0 + a 1 x + a 2 x
2 + +   a 20   x 20 ,   t h e n   f i n d
  a 1     e q u a l s  
a) 10
b) 20
c) 210
d) none of these

Neha Sethi · Accepted Answer

Dear student
No it cannot be solved by the way of differentiation,at the same
time concept of differentiation is not a part of your grade
Regards

29 ) I f ( 1 + 2 x + 3 x 2 ) 10 = a 0 + a 1 x + a 2 x 2 + . . . . . + a 20 x 20 , t h e n f i n d a 1 e q u a l s . a) 10 b) 20 c) 210 d) none of these

$29) I f (1 + 2 x + 3 x^{2})^{10} = a_{0} + a_{1} x + a_{2} x^{2} + . . . . . + a_{20 x^{20}}, t h e n f i n d a_{1} e q u a l s .$
a) 10
b) 20
c) 210
d) none of these