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CUET
-- Mathematics - Section B1
Definite Integration
If $\int\limits_0^a3x^2dx = 8$, then the value of $a$ is:
2
10
8
5
The correct answer is Option (1) → 2
$\int_{0}^{a}3x^{2}dx=8$
$\left[x^{3}\right]_{0}^{a}=8$
$a^{3}=8$
$a=2$
