Evaluation of ∫42 x3 dx using a 2-equal-segment trapezoidal

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Evaluation of ∫⁴₂ x³ dx using a 2-equal-segment trapezoidal rule gives value of _______.

1. 63
2. 55
3. 45
4. 51

Correct Option: A

Trapezoidal Rule, h = 1

=	1	[ (2³ + 4³) + 4(3³) ]
	2

=	1	[ 8 + 64 + 54 ] = 63
	2