Question

If 2^x+3-2^x=k(2^x)
What is the value of k

Answer 1

Answer:

Answer

Given p(x)=2x

2

+x+k

x=3

Put x=3

⇒p(3)=2(3)

2

+(3)+k

⇒2(3)

2

+(3)+k=0

⇒2.9+3+k=0

⇒18+3+k=0

⇒21+k=0

⇒k=−21

Step-by-step explanation: