4) Prove that the change in 4 is zero along a streamline, or Y constant along a streamline.
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![4) Prove that the change in Y is zero along a streamline, or P constant
along a streamline.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F821d9fdf-c2ed-41d3-b3f7-68cb4b4bf1ea%2F98f8bd3b-a04c-4fc7-be10-6da9a3a4bb5e%2Fsbwjg99_processed.jpeg&w=3840&q=75)
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