ans... the 11 question
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Hey!!
your answer is ----
we have ,
px(x-3)+9 = 0
=> px^2- 3px + 9 = 0
since, the given polynomial have equal roots
so, it discrimination D = 0
therefore , (-3p)^2 - 4×p ×9 = 0
=> 9p^2 - 36p = 0
=> 9p ( p -4) = 0
=> p-4 = 0
=> p = 4
================
hope it helps you
================
your answer is ----
we have ,
px(x-3)+9 = 0
=> px^2- 3px + 9 = 0
since, the given polynomial have equal roots
so, it discrimination D = 0
therefore , (-3p)^2 - 4×p ×9 = 0
=> 9p^2 - 36p = 0
=> 9p ( p -4) = 0
=> p-4 = 0
=> p = 4
================
hope it helps you
================
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