If 2 is the root of the quadratic equations 3 x2+ px -8 = 0 and 4x2 - 2 p x +q= 0 . Find the
value of q.
10
Answers
Answered by
3
Step-by-step explanation:
3(2)^2+p(2)-8=0
2p+12-8=0
2p=-4
p=-2
put in second equation
4(2)^2-2(-2)+q=0
16+4+q=0
q=-20
Answered by
8
Answer:
Since x=2,
Therefore,
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