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[" IV "quad " INCERTI "],[" 7."(5x)^(3co...

[" IV "quad " INCERTI "],[" 7."(5x)^(3cos2x)" [NCERT] "]

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Write the coefficients of : (i) x^(2) " in" 3x^(3)-5x^(2)-5x+6 " " (ii) x^(3) " in" 7x^(4)+5x^(3)+3x+7 " " (iii) x^(2) " in" 4x+7 " " (iv) x " in" 3x-2x^(2)+7x^(3)

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