यदि द्विघात समीकरणों ay2 + ay + 3 = 0 और y2 + y + b = 0 का उभयनिष्ठ मूल -2 है, तो a2b हैः

1
3
2
\(-\frac{9}{2}\)
3
\(\frac{9}{2}\)
4
-6

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