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Mathematics, 28.07.2019 02:30 andrewalas88

In the expansion of (3+kx)^20,the coefficients of x^4 and x^5 are in the ratio of 3: 16.find the value of k.

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In the expansion of (3+kx)^20,the coefficients of x^4 and x^5 are in the ratio of 3: 16.find the val...
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