If a ‘3 x 3’ matrix shears in X direction, how many elements of it are ‘1’?(a) 2(b) 3(c) 6(d) 5I got this question in class test.The doubt is from 2D Reflection and Shear topic in portion 2D Transformation and Viewing of Computer Graphics

If a ‘3 x 3’ matrix shears in X direction, how many elements of it

1.	If a ‘3 x 3’ matrix shears in X direction, how many elements of it are ‘1’?(a) 2(b) 3(c) 6(d) 5I got this question in class test.The doubt is from 2D Reflection and Shear topic in portion 2D Transformation and Viewing of Computer Graphics
Answer» RIGHT option is (b) 3 The explanation is: The ‘3 x 3’ matrix which shears in ‘x’ direction will have total 9 elements, 3 of which are ‘1’, 5 zeroes and 1 VARIABLE in an upper triangle which is the scaling FACTOR.

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