Question

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ques number is 14

Answer 1

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d = b2-4ac 
(6p+6)2 -4(p+1)(3p+27) =0
36p2​+36 +72p -4(3p2 +30p +27) =0
36p2 +36 +72p-12p2-120p -108 =0
24p2-48p-72 =0
devide by 24
p2-2p-3=0
p2+p-3p-3=0
p(p+1)-3(p+1)=0
(p-3)(p+1)=0
p = 3 or -1

Hope this is right answer