5.If the vectors = i +
3j + k = ,
b=yi+7 j+yk and = 2 i – j – k And
. (
⃗ × ) = 0 then find the value of y
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Answer:— Quiz As a revision exercise, choose the gradient of the scalar field f(x, y, z) = xy2 − yz. (a) i + (2x − z)j − yk ,. (b).
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