Suppose f(x)=eax+ebx, where a=b, and that f''(x) -2f'(x)-15f(x)=0 for all x. Then the product ab is

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Suppose {f{{({x})}}}={e}^{{{a}{x}}}+{e}^{{{b}{x}}}, { where }

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Suppose $f (x) = e^{a x} + e^{b x}, where a \neq = b,$ and that f''(x) -2f'(x)-15f(x)=0 for all x. Then the product ab is

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Sebastian Discussed

Suppose

f (x) = e^{a x} + e^{b x}, where a \neq = b,

and that f''(x) -2f'(x)-15f(x)=0 for all x. Then the product ab is

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Question Text

Suppose

f (x) = e^{a x} + e^{b x}, where a \neq = b,

and that f''(x) -2f'(x)-15f(x)=0 for all x. Then the product ab is