Simplify √7/(3+7)² giving your answer

1)Rationalize the denominator;5-2√3÷3+3√32)Simplify the expression √3-√2÷√3+√2 giving your answer in the form of
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Simplify each of the following giving your answer in the form a+bi, where a,b,e,z:(2-3i)^2/1+2i
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Simplify each of the following, giving your answer in the form a+bi, where a,b,ez:(3+4i)-(-6+5i)
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Simplify each of the following, giving your answer in the form a+bi, where a, b, e, z:A). (3-4i)-(-6+5i) B). (2-3i)^2/1+2i
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Simplify 5^-5 divided by 5^-9, giving your answer in the form a^n
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Simplify the following, giving your answer in index form: 4m^5n^6/9m^4n^4
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Simplify the following, giving your answer with a positive index: (2y^6)^3
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Simplify the following, giving your answer with a positive exponent16x^5/4x^-4
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Simplify the following, giving your answer with a positive exponent(u^x+3)^4
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simplify v^5zv^z+1 giving your answer in exponential form.
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