y is inversely proportional to x2 and y = b for a particular value of x. Find an expression in terms of b for y when this value of x is tripled.
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Answer:b/9x²
Step-by-step explanation: y is inversely proportional to x² hence
X²Y = constant
If value of x is tripled then
(3X)²Y=b
Y=b/9x²
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