4-2.Quadratic Equations and Inequations
hard

माना $\alpha, \beta, \gamma$ समीकरण $x^3+b x+c=0$ के तीन मूल हैं। यदि $\beta \gamma=1=-\alpha$, तो $b^3+2 c^3-3 \alpha^3-6 \beta^3-8 \gamma^3$ बराबर है।

A

$21$

B

$\frac{169}{8}$

C

$19$

D

$\frac{155}{8}$

(JEE MAIN-2023)

Solution

Standard 11
Mathematics

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