Question

In this following equation find the unknown constants for which the given values are the solution of the equation

Answer 1

Answer:

p=11

q=2

Step-by-step explanation:

substitute both given values of x in given equation,

you will get 2 equations as

2p=q+20

2p=10q+2

solve both, you will get

p=11,q=2

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Answer 2

Answer:

p = 11 and q = 2

Step-by-step explanation:

Put x = -2 in 5x^2 + px + q = 0.

So, 20 - 2p + q = 0

2p - q = 20.........(i)

Now put x = - 1/5

So, 1/5 - p/5 + q = 0

p - 5q = 1............(ii)

Solving (i) and (ii), we get

p = 11 and q = 2

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