(a.) If x²+3(k +3)x-9k/2=0 has equal roots, find the possible values of k. (b.) Prove...

(a.) If x²+3(k +3)x-9k/2=0 has equal roots, find the possible values of k.
(b.) Prove that (a² + b²)x² + 2(a + b)x + 2 = 0 has no real roots if a ≠ b?

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Asked by 4-Oxide on 20th March, 2023

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