if 2 is a zero of polynomial p(x)=2x²-3x+7a,find the value of 'a'
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Answer:
a = -2/7
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Given that 2 is a zero of
p(x) = 2x²-3x±7a
(i. e) p(2) = 0
⟹2(2)²-3(2) ± 7a = 0
⟹8-6±7a = 0
⟹2±7a = 0
⟹7a = -2
⟹a=-2/7
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