Grade 12Algebra
(2n+1)C0 + (2n+1)C1 + (2n+1)C2 +........+ (2n+1)Cn = 2x What is x?
(2n+1)C0 + (2n+1)C1 + (2n+1)C2 +........+ (2n+1)Cn = 2x
What is x?
2 Answers
kanithi premsai
We know that, Nco+Nc1+......+Ncn=2 to the power N
Therefore the above sum of coefficients is 2to the power of 2n+1
Therefore,
2x=2 to the power of 2n+1
: x= 2 to the power of 2n+1/2
: x=2 to the power of 2n
Therefore the value is 2 power 2n
Akshat Agarwal
Objectively u can put n=13C0 + 3C1= 1+3=4 x=2Similarly you can crosscheck the answer by putting n=2,3,4.........
Other Related Questions on algebra
How do you write “the product of 18 and q” as an algebraic expression?
How do you write “the product of 18 and q” as an algebraic expression?
algebra
Last Activity: 2 Years ago