Question

Three years after its release , the value of a phone is Rs. 32,174 Manufaturer decides to decrease its price by 7% every year. Find its initial launch price rounded off to nearest rupees.
A) Rs. 37,000
B) Rs. 40,000
C) Rs. 43,000
D) Rs. 41,000​

Answer 1

Answer:

ok

Step-by-step explanation:

4x  

2

−(5k+1)x+5x=0 be α and α+1

∴α+α+1=  

4

5k+1

​

⇒α=  

8

5k−3

​

 and α(α+1)=  

4

5k

​

 

⇒  

8×8

(5k−3)(5k−3+8)

​

=  

4

5k

​

 

⇒(5k−3)(5k+5)=80k

⇒(5k−3)(k+1)=16k

⇒5k  

2

−14k−3=0

⇒(k−3)(5k+1)=0

⇒k=3,  

5

−1

​

 

Hence, negative value of k is  

5

−1

​

Answer 2

Answer:

RS. 43,000 ok khgfghyuyyg