SOLUTION: if the coefficient of x^k and x^(k+1) in the expansion of (2+3x)^19 are equal, find k.
please discuss elaborately as sometimes its hard to understand short cut methods
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-> SOLUTION: if the coefficient of x^k and x^(k+1) in the expansion of (2+3x)^19 are equal, find k.
please discuss elaborately as sometimes its hard to understand short cut methods
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Question 1117566: if the coefficient of x^k and x^(k+1) in the expansion of (2+3x)^19 are equal, find k.
please discuss elaborately as sometimes its hard to understand short cut methods Answer by ikleyn(52803) (Show Source):
