If $a = 4, b = 0 a n d c = - 1,$ find the value of $2 a^{3} b + 3 b^{2} c^{2} - a c / a^{2} + 3 a b$

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Solution

Finding the value of expression
Given values of $a = 4, b = 0 a n d c = - 1$
Now, we have to put these values in $2 a^{3} b + 3 b^{2} c^{2} - a c / a^{2} + 3 a b$
We got:-
$= 2 {(4)}^{3} (0) + 3 {(0)}^{2} {(- 1)}^{2} - \frac{(4) (- 1)}{{(4)}^{2}} + 3 (4) (0) = 0 + 0 + \frac{4}{16} + 0 = \frac{4}{16} = \frac{1}{4}$
Hence, the final value is $\frac{1}{4}$

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