ଯଦି a + b = $\sqrt{12}$ ଏବଂ a - b = $\sqrt{8}$ | ହେଲେ ଏକ 4 + b 4 =?

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ଯଦି a + b = \(\sqrt{12}\) ଏବଂ a - b = \(\sqrt{8}\) | ହେଲେ ଏକ ⁴ + b ⁴ =?