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Let a=hat(i)+hat(j)+hat(k), b=-hat(i)+ha...

Let `a=hat(i)+hat(j)+hat(k), b=-hat(i)+hat(j)+hat(k), c=hat(i)-hat(j)+hat(k) and d=hat(i)+hat(j)-hat(k)`. Then, the line of intersection of planes one determined by a, b and other determined by c, d is perpendicular to

A

X-axis

B

Y-axis

C

Both X and Y axes

D

Both y and z-axes

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The correct Answer is:
D
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