Grade 1210 grade maths
(1+x+x^2)^171 what is the sum of the coefficients?
(1+x+x^2)^171 what is the sum of the coefficients?
3 Answers
Ravi
Put x=1 and solve the expression to get the sum of coefficients.
(1+1+1)^171
.................................................................................................................................................................................................................................................................................
(1+1+1)^171
.................................................................................................................................................................................................................................................................................
Shobhit Varshney
Hi,
If we expand, (1+x+x2)171= ao+ a1x+ a2x2….... (it would be a function of x.)
So, To get the sum of the coefficients,
put x = 1 in the above equation,
(1+1+1)171= ao+ a1+ a2+ ….................... = 3171
thanks
If we expand, (1+x+x2)171= ao+ a1x+ a2x2….... (it would be a function of x.)
So, To get the sum of the coefficients,
put x = 1 in the above equation,
(1+1+1)171= ao+ a1+ a2+ ….................... = 3171
thanks
rahul
the answer will be 3^171
Other Related Questions on 10 grade maths
Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the equation is not about the fifth postulate.)
Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the equation is not about the fifth postulate.)
10 grade maths
Last Activity: 1 Year ago
The smallest composite number is ______.
(a) 2
(b) 4
(c) 1
(d) None of these
The smallest composite number is ______.
(a) 2
(b) 4
(c) 1
(d) None of these
10 grade maths
Last Activity: 1 Year ago
Find the arithmetic mean of the first ten odd natural numbers.
Find the arithmetic mean of the first ten odd natural numbers.
10 grade maths
Last Activity: 1 Year ago