Question

If 2^n+2-2^n+1+2^n=c×2^n.Find the value of c.
Class 7 Maths chapter 13.​

Answer 1

2^n+2-2^n+1+2^n=cx2^n

Answer 2

Answer

C = 3

Step-by-step explanation:

2^n+2 - 2^n+1 + 2^n = C*2^n

Take 2^n common on LHS

2^n (2² -2¹ + 1) = C*2^n

4-2+1 = C*2^n/2^n

C = 3