Math, asked by hsushsbushs, 7 months ago

if f:Q rarr Q is defined as f(x)=x^(2) then f^(-1 )(9) is equal to: (a) {3} (b) -3 (c) {-3 3} (d) Phi

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Answered by vigneshwaranasdfghjk

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oh I also donot know can any body say

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