9) If x = 2 is zero of f(x)=2x2 – 3x + 7a, then a is equal to:
a) -2/7
b)2/7
c)0
d) 1/2
Answers
Answered by
2
Answer: -2/7
Step-by-step explanation:
If x=2 is zero of f(x) = 2x² - 3x + 7a
then f(2) = 0
f(2) = 2(2)² - 3(2) + 7a =0
8-6+7a=0
2+7a=0
a= -2/7
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Answered by
2
Answer:
same
Step-by-step explanation:
dekha nhi likhne wala tha pehli inhone likh diya
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