The electric potential as a function of $$x, y$$ is given by $$V = 5(x^2 - y^2)$$ V. The electric field at a point $$(2, 3)$$ m is __________ V/m.

A

$$(-20\hat{i} + 30\hat{j})$$

B

$$(20\hat{i} - 30\hat{j})$$

C

$$(20\hat{i} + 45\hat{j})$$

D

$$(-4\hat{i} + 6\hat{j})$$