1.Relation and Function
normal

$x = - 3$ के लिए व्यजंक $\left| {\;\frac{{3{x^3} + 1}}{{2{x^2} + 2}}\;} \right|$ का आंकिक मान है

A

$4$

B

$2$

C

$3$

D

$0$

Solution

(a)${\left| {\frac{{3{x^3} + 1}}{{2{x^2} + 2}}} \right|_{x = – 3}} = \left| {\frac{{3( – 27) + 1}}{{2(9) + 2}}} \right| = \left| {\frac{{ – 80}}{{20}}} \right| = 4$.

Standard 12
Mathematics

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